android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

rtla/utils: Use calloc and check the potential memory allocation failure

Browse Source 
Replace malloc with calloc and add memory allocating check
of mon_cpus before used.

Link: https://lkml.kernel.org/r/20220615073348.6891-1-jianchunfu@cmss.chinamobile.com

Fixes: 7d0dc9576d ("rtla/timerlat: Add --dma-latency option")
Signed-off-by: jianchunfu <jianchunfu@cmss.chinamobile.com>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
jianchunfu 2022-06-15 15:33:48 +08:00 committed by Steven Rostedt (Google)
parent 88084a3df1
commit b5f37a0b6f
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
tools/tracing/rtla/src/utils.c
View File

@ -106,8 +106,9 @@ int parse_cpu_list(char *cpu_list, char **monitored_cpus)
nr_cpus = sysconf(_SC_NPROCESSORS_CONF);
mon_cpus = malloc(nr_cpus * sizeof(char));
memset(mon_cpus, 0, (nr_cpus * sizeof(char)));
mon_cpus = calloc(nr_cpus, sizeof(char));
if (!mon_cpus)
goto err;
for (p = cpu_list; *p; ) {
cpu = atoi(p);