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authorWeiguo Li <[email protected]>2022-03-11 21:07:16 +0800
committerArnaldo Carvalho de Melo <[email protected]>2022-03-12 10:49:13 -0300
commit073a15c3512f6b8d36c0c05992cf31e845f4dfe0 (patch)
tree8faeb752c72bc90de45cc70bf9a53eeb99801912
parenta7a72631f62445e3671b7cab5ad01f856c1aa90d (diff)
perf bench: Fix NULL check against wrong variable
We did a NULL check after "epollfdp = calloc(...)", but we checked "epollfd" instead of "epollfdp". Signed-off-by: Weiguo Li <[email protected]> Acked-by: Davidlohr Bueso <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Davidlohr Bueso <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
-rw-r--r--tools/perf/bench/epoll-ctl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/bench/epoll-ctl.c b/tools/perf/bench/epoll-ctl.c
index 740ae764537e..134612bde0cb 100644
--- a/tools/perf/bench/epoll-ctl.c
+++ b/tools/perf/bench/epoll-ctl.c
@@ -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++) {