dm: remove unnecessary (void*) conversions

Message ID	20230317013554.20479-1-yuzhe@nfschina.com (mailing list archive)
State	Mainlined
Commit	26cb62a285802ab6d26cdbf11305cd8516871d1a
Headers	show Return-Path: <linux-hardening-owner@vger.kernel.org> sender: yuzhe@nfschina.com) by mail.nfschina.com (Postfix) with ESMTPA id 51FE01A00ADF; Fri, 17 Mar 2023 09:36:42 +0800 (CST) From: Yu Zhe <yuzhe@nfschina.com> To: agk@redhat.com, snitzer@kernel.org, dm-devel@redhat.com, keescook@chromium.org, tony.luck@intel.com, gpiccoli@igalia.com Cc: linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, kernel-janitors@vger.kernel.org, liqiong@nfschina.com, Yu Zhe <yuzhe@nfschina.com> Subject: [PATCH] dm: remove unnecessary (void*) conversions Date: Fri, 17 Mar 2023 09:35:54 +0800 Message-Id: <20230317013554.20479-1-yuzhe@nfschina.com> Precedence: bulk
Series	dm: remove unnecessary (void) conversions \| expand dm: remove unnecessary (void) conversions

diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index b0d5057fbdd9..2a388b5f3a95 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -3118,7 +3118,7 @@ static int dm_integrity_reboot(struct notifier_block *n, unsigned long code, voi static void dm_integrity_postsuspend(struct dm_target *ti) { - struct dm_integrity_c *ic = (struct dm_integrity_c *)ti->private; + struct dm_integrity_c *ic = ti->private; int r; WARN_ON(unregister_reboot_notifier(&ic->reboot_notifier)); @@ -3167,7 +3167,7 @@ static void dm_integrity_postsuspend(struct dm_target *ti) static void dm_integrity_resume(struct dm_target *ti) { - struct dm_integrity_c *ic = (struct dm_integrity_c *)ti->private; + struct dm_integrity_c *ic = ti->private; __u64 old_provided_data_sectors = le64_to_cpu(ic->sb->provided_data_sectors); int r; @@ -3290,7 +3290,7 @@ static void dm_integrity_resume(struct dm_target *ti) static void dm_integrity_status(struct dm_target *ti, status_type_t type, unsigned int status_flags, char *result, unsigned int maxlen) { - struct dm_integrity_c *ic = (struct dm_integrity_c *)ti->private; + struct dm_integrity_c *ic = ti->private; unsigned int arg_count; size_t sz = 0; diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index dc2df76999b0..f053ce245814 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -187,7 +187,7 @@ static void list_get_page(struct dpages *dp, struct page **p, unsigned long *len, unsigned int *offset) { unsigned int o = dp->context_u; - struct page_list *pl = (struct page_list *) dp->context_ptr; + struct page_list *pl = dp->context_ptr; *p = pl->page; *len = PAGE_SIZE - o; @@ -196,7 +196,7 @@ static void list_get_page(struct dpages *dp, static void list_next_page(struct dpages *dp) { - struct page_list *pl = (struct page_list *) dp->context_ptr; + struct page_list *pl = dp->context_ptr; dp->context_ptr = pl->next; dp->context_u = 0; diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c index a158c6e5fbd7..d01807c50f20 100644 --- a/drivers/md/dm-kcopyd.c +++ b/drivers/md/dm-kcopyd.c @@ -519,7 +519,7 @@ static int run_complete_job(struct kcopyd_job *job) static void complete_io(unsigned long error, void *context) { - struct kcopyd_job *job = (struct kcopyd_job *) context; + struct kcopyd_job *job = context; struct dm_kcopyd_client *kc = job->kc; io_job_finish(kc->throttle); @@ -696,7 +696,7 @@ static void segment_complete(int read_err, unsigned long write_err, /* FIXME: tidy this function */ sector_t progress = 0; sector_t count = 0; - struct kcopyd_job *sub_job = (struct kcopyd_job *) context; + struct kcopyd_job *sub_job = context; struct kcopyd_job *job = sub_job->master_job; struct dm_kcopyd_client *kc = job->kc; diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index 3e622dcc9dbd..f4448d520ee9 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -72,7 +72,7 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv) static void linear_dtr(struct dm_target *ti) { - struct linear_c *lc = (struct linear_c *) ti->private; + struct linear_c *lc = ti->private; dm_put_device(ti, lc->dev); kfree(lc); @@ -98,7 +98,7 @@ static int linear_map(struct dm_target *ti, struct bio *bio) static void linear_status(struct dm_target *ti, status_type_t type, unsigned int status_flags, char *result, unsigned int maxlen) { - struct linear_c *lc = (struct linear_c *) ti->private; + struct linear_c *lc = ti->private; size_t sz = 0; switch (type) { @@ -120,7 +120,7 @@ static void linear_status(struct dm_target *ti, status_type_t type, static int linear_prepare_ioctl(struct dm_target *ti, struct block_device **bdev) { - struct linear_c *lc = (struct linear_c *) ti->private; + struct linear_c *lc = ti->private; struct dm_dev *dev = lc->dev; *bdev = dev->bdev; diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index cbd0f81f4a35..eba9c5c869aa 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -429,7 +429,7 @@ static inline sector_t logdev_last_sector(struct log_writes_c *lc) static int log_writes_kthread(void *arg) { - struct log_writes_c *lc = (struct log_writes_c *)arg; + struct log_writes_c *lc = arg; sector_t sector = 0; while (!kthread_should_stop()) { diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index afd94d2e7295..f9f84236dfcd 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -530,7 +530,7 @@ static void destroy_log_context(struct log_c *lc) static void core_dtr(struct dm_dirty_log *log) { - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; vfree(lc->clean_bits); destroy_log_context(lc); @@ -569,7 +569,7 @@ static int disk_ctr(struct dm_dirty_log *log, struct dm_target *ti, static void disk_dtr(struct dm_dirty_log *log) { - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; dm_put_device(lc->ti, lc->log_dev); vfree(lc->disk_header); @@ -590,7 +590,7 @@ static int disk_resume(struct dm_dirty_log *log) { int r; unsigned int i; - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; size_t size = lc->bitset_uint32_count * sizeof(uint32_t); /* read the disk header */ @@ -652,14 +652,14 @@ static int disk_resume(struct dm_dirty_log *log) static uint32_t core_get_region_size(struct dm_dirty_log *log) { - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; return lc->region_size; } static int core_resume(struct dm_dirty_log *log) { - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; lc->sync_search = 0; return 0; @@ -667,14 +667,14 @@ static int core_resume(struct dm_dirty_log *log) static int core_is_clean(struct dm_dirty_log *log, region_t region) { - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; return log_test_bit(lc->clean_bits, region); } static int core_in_sync(struct dm_dirty_log *log, region_t region, int block) { - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; return log_test_bit(lc->sync_bits, region); } @@ -727,14 +727,14 @@ static int disk_flush(struct dm_dirty_log *log) static void core_mark_region(struct dm_dirty_log *log, region_t region) { - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; log_clear_bit(lc, lc->clean_bits, region); } static void core_clear_region(struct dm_dirty_log *log, region_t region) { - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; if (likely(!lc->flush_failed)) log_set_bit(lc, lc->clean_bits, region); @@ -742,7 +742,7 @@ static void core_clear_region(struct dm_dirty_log *log, region_t region) static int core_get_resync_work(struct dm_dirty_log *log, region_t *region) { - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; if (lc->sync_search >= lc->region_count) return 0; @@ -765,7 +765,7 @@ static int core_get_resync_work(struct dm_dirty_log *log, region_t *region) static void core_set_region_sync(struct dm_dirty_log *log, region_t region, int in_sync) { - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; log_clear_bit(lc, lc->recovering_bits, region); if (in_sync) { @@ -779,7 +779,7 @@ static void core_set_region_sync(struct dm_dirty_log *log, region_t region, static region_t core_get_sync_count(struct dm_dirty_log *log) { - struct log_c *lc = (struct log_c *) log->context; + struct log_c *lc = log->context; return lc->sync_count; } diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index bc417a5e5b89..83c7cbb1107b 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -604,7 +604,7 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads) static void write_callback(unsigned long error, void *context) { unsigned int i; - struct bio *bio = (struct bio *) context; + struct bio *bio = context; struct mirror_set *ms; int should_wake = 0; unsigned long flags; @@ -1180,7 +1180,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv) static void mirror_dtr(struct dm_target *ti) { - struct mirror_set *ms = (struct mirror_set *) ti->private; + struct mirror_set *ms = ti->private; del_timer_sync(&ms->timer); flush_workqueue(ms->kmirrord_wq); @@ -1246,7 +1246,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, blk_status_t *error) { int rw = bio_data_dir(bio); - struct mirror_set *ms = (struct mirror_set *) ti->private; + struct mirror_set *ms = ti->private; struct mirror *m = NULL; struct dm_bio_details *bd = NULL; struct dm_raid1_bio_record *bio_record = @@ -1311,7 +1311,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, static void mirror_presuspend(struct dm_target *ti) { - struct mirror_set *ms = (struct mirror_set *) ti->private; + struct mirror_set *ms = ti->private; struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh); struct bio_list holds; @@ -1407,7 +1407,7 @@ static void mirror_status(struct dm_target *ti, status_type_t type, { unsigned int m, sz = 0; int num_feature_args = 0; - struct mirror_set *ms = (struct mirror_set *) ti->private; + struct mirror_set *ms = ti->private; struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh); char buffer[MAX_NR_MIRRORS + 1]; diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index f14e5df27874..15649921f2a9 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -567,7 +567,7 @@ static int read_exceptions(struct pstore *ps, static struct pstore *get_info(struct dm_exception_store *store) { - return (struct pstore *) store->context; + return store->context; } static void persistent_usage(struct dm_exception_store *store, diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index 8d6951157106..e2854a3cbd28 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -189,7 +189,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) static void stripe_dtr(struct dm_target *ti) { unsigned int i; - struct stripe_c *sc = (struct stripe_c *) ti->private; + struct stripe_c *sc = ti->private; for (i = 0; i < sc->stripes; i++) dm_put_device(ti, sc->stripe[i].dev); @@ -360,7 +360,7 @@ static size_t stripe_dax_recovery_write(struct dm_target *ti, pgoff_t pgoff, static void stripe_status(struct dm_target *ti, status_type_t type, unsigned int status_flags, char *result, unsigned int maxlen) { - struct stripe_c *sc = (struct stripe_c *) ti->private; + struct stripe_c *sc = ti->private; unsigned int sz = 0; unsigned int i; diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c index 962fc32c947c..a9ee2faa75a2 100644 --- a/drivers/md/dm-verity-fec.c +++ b/drivers/md/dm-verity-fec.c @@ -567,14 +567,14 @@ void verity_fec_dtr(struct dm_verity *v) static void *fec_rs_alloc(gfp_t gfp_mask, void *pool_data) { - struct dm_verity *v = (struct dm_verity *)pool_data; + struct dm_verity *v = pool_data; return init_rs_gfp(8, 0x11d, 0, 1, v->fec->roots, gfp_mask); } static void fec_rs_free(void *element, void *pool_data) { - struct rs_control *rs = (struct rs_control *)element; + struct rs_control *rs = element; if (rs) free_rs(rs); diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c index cf9402064aba..8f0896a6990b 100644 --- a/drivers/md/dm-zoned-metadata.c +++ b/drivers/md/dm-zoned-metadata.c @@ -1701,7 +1701,7 @@ static int dmz_load_mapping(struct dmz_metadata *zmd) if (IS_ERR(dmap_mblk)) return PTR_ERR(dmap_mblk); zmd->map_mblk[i] = dmap_mblk; - dmap = (struct dmz_map *) dmap_mblk->data; + dmap = dmap_mblk->data; i++; e = 0; } @@ -1832,7 +1832,7 @@ static void dmz_set_chunk_mapping(struct dmz_metadata *zmd, unsigned int chunk, unsigned int dzone_id, unsigned int bzone_id) { struct dmz_mblock *dmap_mblk = zmd->map_mblk[chunk >> DMZ_MAP_ENTRIES_SHIFT]; - struct dmz_map *dmap = (struct dmz_map *) dmap_mblk->data; + struct dmz_map *dmap = dmap_mblk->data; int map_idx = chunk & DMZ_MAP_ENTRIES_MASK; dmap[map_idx].dzone_id = cpu_to_le32(dzone_id); @@ -2045,7 +2045,7 @@ struct dm_zone *dmz_get_chunk_mapping(struct dmz_metadata *zmd, unsigned int chunk, enum req_op op) { struct dmz_mblock *dmap_mblk = zmd->map_mblk[chunk >> DMZ_MAP_ENTRIES_SHIFT]; - struct dmz_map *dmap = (struct dmz_map *) dmap_mblk->data; + struct dmz_map *dmap = dmap_mblk->data; int dmap_idx = chunk & DMZ_MAP_ENTRIES_MASK; unsigned int dzone_id; struct dm_zone *dzone = NULL;

dm: remove unnecessary (void*) conversions

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