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authorZhongqiu Han <quic_zhonhan@quicinc.com>2025-02-19 20:27:15 +0800
committerShuah Khan <skhan@linuxfoundation.org>2025-02-19 13:48:08 -0700
commit208baa3ec9043a664d9acfb8174b332e6b17fb69 (patch)
treeba2a120607d62152e75c8e36aa760c7110a2dc59 /tools/power/cpupower
parenta64dcfb451e254085a7daee5fe51bf22959d52d3 (diff)
pm: cpupower: bench: Prevent NULL dereference on malloc failure
If malloc returns NULL due to low memory, 'config' pointer can be NULL. Add a check to prevent NULL dereference. Link: https://lore.kernel.org/r/20250219122715.3892223-1-quic_zhonhan@quicinc.com Signed-off-by: Zhongqiu Han <quic_zhonhan@quicinc.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'tools/power/cpupower')
-rw-r--r--tools/power/cpupower/bench/parse.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/power/cpupower/bench/parse.c b/tools/power/cpupower/bench/parse.c
index 080678d9d74e..bd67c758b33a 100644
--- a/tools/power/cpupower/bench/parse.c
+++ b/tools/power/cpupower/bench/parse.c
@@ -121,6 +121,10 @@ out_dir:
struct config *prepare_default_config()
{
struct config *config = malloc(sizeof(struct config));
+ if (!config) {
+ perror("malloc");
+ return NULL;
+ }
dprintf("loading defaults\n");