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(parent: 93c5f67) | patch
tracing: Fix unsigned comparison to zero in hist trigger code
authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>
Tue, 8 Mar 2016 22:17:15 +0000 (17:17 -0500)
committerSteven Rostedt <rostedt@goodmis.org>
Tue, 19 Apr 2016 22:56:05 +0000 (18:56 -0400)
commitd50c744ecde7ee3ba4d7ffb0e1c55e7a2f6bbc8e
treee1f246a1ee69683eb2a87298e35dad1ae327591dtree | snapshot
parent93c5f671f25cb7a73492b7a96b426c4fb1efa715commit | diff
tracing: Fix unsigned comparison to zero in hist trigger code

Fengguang Wu's bot found two comparisons of unsigned integers to zero. These
were real bugs, as it would miss error conditions returned to zero.

trace_events_hist.c:426:6-9: WARNING: Unsigned expression compared with zero: idx < 0
trace_events_hist.c:568:5-14: WARNING: Unsigned expression compared with zero: n_entries < 0

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
kernel/trace/trace_events_hist.c diff | blob | history
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