Messages in this thread Patch in this message | | | From | Li kunyu <> | Subject | [PATCH] power: cpupower: utils: Add malloc return value check | Date | Fri, 14 Oct 2022 12:29:11 +0800 |
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Add the check and judgment statement of malloc return value.
Signed-off-by: Li kunyu <kunyu@nfschina.com> --- tools/power/cpupower/utils/helpers/misc.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/tools/power/cpupower/utils/helpers/misc.c b/tools/power/cpupower/utils/helpers/misc.c index 9547b29254a7..eafdbd6d760c 100644 --- a/tools/power/cpupower/utils/helpers/misc.c +++ b/tools/power/cpupower/utils/helpers/misc.c @@ -139,6 +139,8 @@ void print_online_cpus(void) str_len = online_cpus->size * 5; online_cpus_str = (void *)malloc(sizeof(char) * str_len); + if (unlikely(!online_cpus_str)) + return; if (!bitmask_isallclear(online_cpus)) { bitmask_displaylist(online_cpus_str, str_len, online_cpus); @@ -157,6 +159,8 @@ void print_offline_cpus(void) str_len = offline_cpus->size * 5; offline_cpus_str = (void *)malloc(sizeof(char) * str_len); + if (unlikely(!offline_cpus_str)) + return; if (!bitmask_isallclear(offline_cpus)) { bitmask_displaylist(offline_cpus_str, str_len, offline_cpus); -- 2.18.2
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