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| author | Alexander Aring <aahringo@redhat.com> | 2022-11-18 01:11:48 +0300 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2022-11-21 18:45:49 +0300 |
| commit | dd070a56e0fa36f03bcd09fbf1521c733cf2aa21 (patch) | |
| tree | 88b8ef4820613dfe92d2b3d4019af3f4e720063c | |
| parent | 01ea3d7701cb52dece379384f8aa7b8840f1d7c7 (diff) | |
| download | linux-dd070a56e0fa36f03bcd09fbf1521c733cf2aa21.tar.xz | |
fs: dlm: use list_first_entry_or_null
Instead of check on list_empty() we can do the same with
list_first_entry_or_null() and return NULL if the returned value is NULL.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
| -rw-r--r-- | fs/dlm/lowcomms.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 3106e7f87344..d3302b10b37e 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -214,15 +214,12 @@ static struct writequeue_entry *con_next_wq(struct connection *con) { struct writequeue_entry *e; - if (list_empty(&con->writequeue)) - return NULL; - - e = list_first_entry(&con->writequeue, struct writequeue_entry, - list); + e = list_first_entry_or_null(&con->writequeue, struct writequeue_entry, + list); /* if len is zero nothing is to send, if there are users filling * buffers we wait until the users are done so we can send more. */ - if (e->users || e->len == 0) + if (!e || e->users || e->len == 0) return NULL; return e; |