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tracing: probeevent: Fix uninitialized used of offset in parse args 

Dan's smatch utility found an uninitialized use of offset in a path in
parse_probe_args(). Unless an offset is specifically specified for commands
that allow them, it should default to zero.

Link: http://lkml.kernel.org/r/20181012134246.5doqaobxunlqqs53@mwanda
Fixes: 533059281e ("tracing: probeevent: Introduce new argument fetching code")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com> (smatch)
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (VMware) 2018-10-12 12:50:22 -04:00
parent a6682814f3
commit bf173ca92d
1 changed files with 1 additions and 1 deletions
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2
kernel/trace/trace_probe.c
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@ -209,7 +209,7 @@ parse_probe_arg(char *arg, const struct fetch_type *type,
{
struct fetch_insn *code = *pcode;
unsigned long param;
long offset;
long offset = 0;
char *tmp;
int ret = 0;