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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-04-23 13:23:47 +0300 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2016-04-26 09:40:20 -0400 |
| commit | 4812952f9c94f67b3cc78ad0a6482bf182aa5a44 (patch) | |
| tree | 8bfdaabe504c543b37ee9d99ac0b5e61082a571b | |
| parent | 205506228b69be4efbb3809957a69420f26a8d9f (diff) | |
| download | linux-4812952f9c94f67b3cc78ad0a6482bf182aa5a44.tar.gz linux-4812952f9c94f67b3cc78ad0a6482bf182aa5a44.tar.bz2 linux-4812952f9c94f67b3cc78ad0a6482bf182aa5a44.zip | |
tracing: checking for NULL instead of IS_ERR()
tracing_map_elt_alloc() returns ERR_PTRs on error, never NULL.
Fixes: 08d43a5fa063 ('tracing: Add lock-free tracing_map')
Link: http://lkml.kernel.org/r/20160423102347.GA11136@mwanda
Acked-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| -rw-r--r-- | kernel/trace/tracing_map.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c index e0f172932eca..e7dfc5eec669 100644 --- a/kernel/trace/tracing_map.c +++ b/kernel/trace/tracing_map.c @@ -814,7 +814,7 @@ static struct tracing_map_elt *copy_elt(struct tracing_map_elt *elt) unsigned int i; dup_elt = tracing_map_elt_alloc(elt->map); - if (!dup_elt) + if (IS_ERR(dup_elt)) return NULL; if (elt->map->ops && elt->map->ops->elt_copy) |