rtla/utils: Use calloc and check the potential memory allocation failure
authorjianchunfu <jianchunfu@cmss.chinamobile.com>
Wed, 15 Jun 2022 07:33:48 +0000 (15:33 +0800)
committerSteven Rostedt (Google) <rostedt@goodmis.org>
Tue, 12 Jul 2022 01:14:29 +0000 (21:14 -0400)
commitb5f37a0b6f667f5c72340ca9dcd7703f261cb981
tree1fff9e6a92508b628be5e2ef8d8714370da5b1cf
parent88084a3df1672e131ddc1b4e39eeacfd39864acf
rtla/utils: Use calloc and check the potential memory allocation failure

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: 7d0dc9576dc3 ("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>
tools/tracing/rtla/src/utils.c