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cpumf/chcpumf: Simplify comparison against 0

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Simplify comparison against 0 or NULL and fix a checkpatch.pl
warning.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Thomas Richter
2021-04-14 09:18:16 +02:00
committed by Jan Höppner
parent 4fb18a1e7b
commit 44de579311
1 changed files with 3 additions and 3 deletions
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6
cpumf/chcpumf.c
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@@ -96,7 +96,7 @@ static int read_sfb(unsigned long *min, unsigned long *max)
return EXIT_FAILURE;
}
fp = fopen(PERF_SFB_SIZE, "r");
if (fp == NULL) {
if (!fp) {
linux_error(PERF_SFB_SIZE);
return EXIT_FAILURE;
}
@@ -122,7 +122,7 @@ static int write_sfb(unsigned long min, unsigned long max)
FILE *fp;
fp = fopen(PERF_SFB_SIZE, "w");
if (fp == NULL) {
if (!fp) {
linux_error(PERF_SFB_SIZE);
return EXIT_FAILURE;
}
@@ -204,7 +204,7 @@ int main(int argc, char **argv)
util_opt_init(opt_vec, NULL);
parse_args(argc, argv);
if (stat(PERF_PATH PERF_SF, &sbuf) != 0) {
if (stat(PERF_PATH PERF_SF, &sbuf)) {
fprintf(stderr,
"No CPU-measurement sampling facility detected\n");
return ret;