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tracing: checking for NULL instead of IS_ERR()

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tracing_map_elt_alloc() returns ERR_PTRs on error, never NULL.

Fixes: 08d43a5fa0 ('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>
This commit is contained in:
Dan Carpenter 2016-04-23 13:23:47 +03:00 committed by Steven Rostedt
parent 205506228b
commit 4812952f9c
1 changed files with 1 additions and 1 deletions
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2
kernel/trace/tracing_map.c
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@ -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)