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perf bench: Fix NULL check against wrong variable

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We did a NULL check after "epollfdp = calloc(...)", but we checked
"epollfd" instead of "epollfdp".

Signed-off-by: Weiguo Li <liwg06@foxmail.com>
Acked-by: Davidlohr Bueso <dave@stgolabs.net>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Davidlohr Bueso <dbueso@suse.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/tencent_B5D64530EB9C7DBB8D2C88A0C790F1489D0A@qq.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Weiguo Li 2022-03-11 21:07:16 +08:00 committed by Arnaldo Carvalho de Melo
parent a7a72631f6
commit 073a15c351
1 changed files with 1 additions and 1 deletions
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tools/perf/bench/epoll-ctl.c
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@ -106,7 +106,7 @@ static void nest_epollfd(void)
printinfo("Nesting level(s): %d\n", nested);
epollfdp = calloc(nested, sizeof(int));
if (!epollfd)
if (!epollfdp)
err(EXIT_FAILURE, "calloc");
for (i = 0; i < nested; i++) {