| Message ID | 20220407102900.3086255-2-jakobkoschel@gmail.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | net: Remove use of list iterator after loop body | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/fixes_present | success | Fixes tag not required for -next series |
| netdev/subject_prefix | success | Link |
| netdev/cover_letter | success | Series has a cover letter |
| netdev/patch_count | success | Link |
| netdev/header_inline | success | No static functions without inline keyword in header files |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/cc_maintainers | success | CCed 4 of 4 maintainers |
| netdev/build_clang | success | Errors and warnings before: 0 this patch: 0 |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
| netdev/verify_fixes | success | No Fixes tag |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 26 lines checked |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/source_inline | success | Was 0 now: 0 |
diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c index 996f025eb63c..ed77599b0b25 100644 --- a/drivers/connector/cn_queue.c +++ b/drivers/connector/cn_queue.c @@ -92,20 +92,19 @@ int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name, void cn_queue_del_callback(struct cn_queue_dev *dev, const struct cb_id *id) { - struct cn_callback_entry *cbq, *n; - int found = 0; + struct cn_callback_entry *cbq = NULL, *iter, *n; spin_lock_bh(&dev->queue_lock); - list_for_each_entry_safe(cbq, n, &dev->queue_list, callback_entry) { - if (cn_cb_equal(&cbq->id.id, id)) { - list_del(&cbq->callback_entry); - found = 1; + list_for_each_entry_safe(iter, n, &dev->queue_list, callback_entry) { + if (cn_cb_equal(&iter->id.id, id)) { + list_del(&iter->callback_entry); + cbq = iter; break; } } spin_unlock_bh(&dev->queue_lock); - if (found) + if (cbq) cn_queue_release_callback(cbq); }
To move the list iterator variable into the list_for_each_entry_*() macro in the future it should be avoided to use the list iterator variable after the loop body. To *never* use the list iterator variable after the loop it was concluded to use a separate iterator variable instead of a found boolean [1]. This removes the need to use a found variable and simply checking if the variable was set, can determine if the break/goto was hit. Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/ [1] Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com> --- drivers/connector/cn_queue.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-)