Message ID | 20240228163723.1775791-9-zhao1.liu@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Cleanup up to fix missing ERRP_GUARD() for error_prepend() | expand |
On Thu, Feb 29, 2024 at 12:37:15AM +0800, Zhao Liu wrote: > From: Zhao Liu <zhao1.liu@intel.com> > > As the comment in qapi/error, passing @errp to error_prepend() requires > ERRP_GUARD(): > > > In block/qcow2.c, there're 2 functions passing @errp to error_prepend() s/there're/there are/ > without ERRP_GUARD(): > - qcow2_co_create() > - qcow2_co_truncate() > > Their @errp parameters are so widely sourced that it is necessary to > protect their @errp with ERRP_GUARD(). > > Therefore, to avoid the issue like [1] said, add missing ERRP_GUARD() at > their beginning. > > [1]: Issue description in the commit message of commit ae7c80a7bd73 > ("error: New macro ERRP_GUARD()"). > > Cc: Kevin Wolf <kwolf@redhat.com> > Cc: Hanna Reitz <hreitz@redhat.com> > Signed-off-by: Zhao Liu <zhao1.liu@intel.com> > --- > block/qcow2.c | 2 ++ > 1 file changed, 2 insertions(+) Reviewed-by: Eric Blake <eblake@redhat.com>
On Thu, Feb 29, 2024 at 02:48:44PM -0600, Eric Blake wrote: > Date: Thu, 29 Feb 2024 14:48:44 -0600 > From: Eric Blake <eblake@redhat.com> > Subject: Re: [PATCH 08/16] block/qcow2: Fix missing ERRP_GUARD() for > error_prepend() > > On Thu, Feb 29, 2024 at 12:37:15AM +0800, Zhao Liu wrote: > > From: Zhao Liu <zhao1.liu@intel.com> > > > > As the comment in qapi/error, passing @errp to error_prepend() requires > > ERRP_GUARD(): > > > > > > > In block/qcow2.c, there're 2 functions passing @errp to error_prepend() > > s/there're/there are/ Thanks! Will fix. -Zhao
diff --git a/block/qcow2.c b/block/qcow2.c index 204f5854cff2..956128b40948 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -3483,6 +3483,7 @@ static uint64_t qcow2_opt_get_refcount_bits_del(QemuOpts *opts, int version, static int coroutine_fn GRAPH_UNLOCKED qcow2_co_create(BlockdevCreateOptions *create_options, Error **errp) { + ERRP_GUARD(); BlockdevCreateOptionsQcow2 *qcow2_opts; QDict *options; @@ -4283,6 +4284,7 @@ static int coroutine_fn GRAPH_RDLOCK qcow2_co_truncate(BlockDriverState *bs, int64_t offset, bool exact, PreallocMode prealloc, BdrvRequestFlags flags, Error **errp) { + ERRP_GUARD(); BDRVQcow2State *s = bs->opaque; uint64_t old_length; int64_t new_l1_size;