diff mbox series

[v2] power: cpupower: utils: Add malloc return value check

Message ID 20221019014614.3120-1-kunyu@nfschina.com (mailing list archive)
State Not Applicable
Delegated to: Shuah Khan
Headers show
Series [v2] power: cpupower: utils: Add malloc return value check | expand

Commit Message

Li kunyu Oct. 19, 2022, 1:46 a.m. UTC 
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 mbox series

Patch

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);