[PATCH] dm: crash dump: remove redundant NULL check before kvfree()

[mdshahid03 at gmail.com]

From: Mohammad Shahid <mdshahid03 at gmail.com>

kvfree() safely handles NULL pointers, so the explicit NULL check
before calling kvfree() is unnecessary.

This issue was reported by ifnullfree.cocci.

Signed-off-by: Mohammad Shahid <mdshahid03 at gmail.com>
---
 kernel/crash_dump_dm_crypt.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/crash_dump_dm_crypt.c b/kernel/crash_dump_dm_crypt.c
index cb875ddb6ba6..cf4d41fd4d5e 100644
--- a/kernel/crash_dump_dm_crypt.c
+++ b/kernel/crash_dump_dm_crypt.c
@@ -364,8 +364,7 @@ static int build_keys_header(void)
 	struct config_key *key;
 	int i, r;
 
-	if (keys_header != NULL)
-		kvfree(keys_header);
+	kvfree(keys_header);
 
 	keys_header = kzalloc(get_keys_header_size(key_count), GFP_KERNEL);
 	if (!keys_header)
-- 
2.43.0