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(parent: 2564f42) | patch
tracing: Fix a potential NULL dereference
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 23 Mar 2018 11:37:36 +0000 (14:37 +0300)
committerSteven Rostedt (VMware) <rostedt@goodmis.org>
Fri, 23 Mar 2018 15:15:20 +0000 (11:15 -0400)
commit6f846f7ee30e50572fd58a33b577a32ce000649c
tree6d012d3b94aeadeca4d782f2634c01230a12a247tree | snapshot
parent2564f4226d7119d31e59237245bf23cab26fa968commit | diff
tracing: Fix a potential NULL dereference

We forgot to set the error code on this path so we return ERR_PTR(0)
which is NULL.  It results in a NULL dereference in the caller.

Link: http://lkml.kernel.org/r/20180323113735.GC28518@mwanda
Fixes: 1ed38f5f12c1 ("tracing: Add simple expression support to hist triggers")
Acked-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
kernel/trace/trace_events_hist.c diff | blob | history
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