From: Chuhong Yuan <hslester96@gmail.com>
Date: Fri, 9 Aug 2019 07:10:23 +0000 (+0800)
Subject: PM: sleep: Replace strncmp() with str_has_prefix()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d30bdfc0ecf885ca0495bdee522cb9d7ee005cf8;p=linux.git

PM: sleep: Replace strncmp() with str_has_prefix()

Use str_has_prefix() instead of strncmp() which is less
straightforward in decode_state().

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
[ rjw: Subject & changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

diff --git a/kernel/power/main.c b/kernel/power/main.c
index 938dc53a8b945..e8710d179b35b 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -580,7 +580,7 @@ static suspend_state_t decode_state(const char *buf, size_t n)
 	len = p ? p - buf : n;
 
 	/* Check hibernation first. */
-	if (len == 4 && !strncmp(buf, "disk", len))
+	if (len == 4 && str_has_prefix(buf, "disk"))
 		return PM_SUSPEND_MAX;
 
 #ifdef CONFIG_SUSPEND