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MIPS: ftrace: Remove pointer comparison to 0 in prepare_ftrace_return 

Replace pointer comparison to 0 with NULL in prepare_ftrace_return
to improve code readability. Identified with coccinelle script
'badzero.cocci'.

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Reviewed-by: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18494/
Signed-off-by: James Hogan <jhogan@kernel.org>
This commit is contained in:
Mathieu Malaterre 2018-01-17 12:31:57 +01:00 committed by James Hogan
parent 2e6522c565
commit 83aa53eb5f
No known key found for this signature in database
GPG Key ID: 6C0B6993DE38767A
1 changed files with 1 additions and 1 deletions
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2
arch/mips/kernel/ftrace.c
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@ -361,7 +361,7 @@ void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra,
* If fails when getting the stack address of the non-leaf function's
* ra, stop function graph tracer and return
*/
if (parent_ra_addr == 0)
if (parent_ra_addr == NULL)
goto out;
#endif
/* *parent_ra_addr = return_hooker; */