* [v2 PATCH] power: cpupower: utils: Add malloc return value check
@ 2022-10-19 1:46 Li kunyu
0 siblings, 0 replies; only message in thread
From: Li kunyu @ 2022-10-19 1:46 UTC (permalink / raw)
To: shuah, trenn; +Cc: ray.huang, linux-pm, linux-kernel, Li kunyu
Add the check and judgment statement of malloc return value.
Signed-off-by: Li kunyu <kunyu@nfschina.com>
---
v2: Remove unlikely() check
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 36dbd0562240..083d5a6bb74e 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 = malloc(sizeof(char) * str_len);
+ if (!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 = malloc(sizeof(char) * str_len);
+ if (!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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