cpupower: Fix comparing pointer to 0 coccicheck warns

Fix cocciccheck wanrns found by:
make coccicheck MODE=report M=tools/power/cpupower/

tools/power/cpupower/utils/helpers/bitmask.c:29:12-13: WARNING comparing pointer to 0, suggest !E
tools/power/cpupower/utils/helpers/bitmask.c:29:12-13: WARNING comparing pointer to 0
tools/power/cpupower/utils/helpers/bitmask.c:43:12-13: WARNING comparing pointer to 0

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Shuah Khan 2020-06-29 14:02:22 -06:00
Родитель b3a9e3b962
Коммит 8e022709c4
1 изменённых файлов: 3 добавлений и 3 удалений

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@ -26,11 +26,11 @@ struct bitmask *bitmask_alloc(unsigned int n)
struct bitmask *bmp; struct bitmask *bmp;
bmp = malloc(sizeof(*bmp)); bmp = malloc(sizeof(*bmp));
if (bmp == 0) if (!bmp)
return 0; return 0;
bmp->size = n; bmp->size = n;
bmp->maskp = calloc(longsperbits(n), sizeof(unsigned long)); bmp->maskp = calloc(longsperbits(n), sizeof(unsigned long));
if (bmp->maskp == 0) { if (!bmp->maskp) {
free(bmp); free(bmp);
return 0; return 0;
} }
@ -40,7 +40,7 @@ struct bitmask *bitmask_alloc(unsigned int n)
/* Free `struct bitmask` */ /* Free `struct bitmask` */
void bitmask_free(struct bitmask *bmp) void bitmask_free(struct bitmask *bmp)
{ {
if (bmp == 0) if (!bmp)
return; return;
free(bmp->maskp); free(bmp->maskp);
bmp->maskp = (unsigned long *)0xdeadcdef; /* double free tripwire */ bmp->maskp = (unsigned long *)0xdeadcdef; /* double free tripwire */