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Subject[PATCH] block-AoE: Delete an error message for a failed memory allocation in aoechr_error()
Date
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 6 Aug 2017 17:27:18 +0200

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/block/aoe/aoechr.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c
index ab41be625a53..8eea2529da20 100644
--- a/drivers/block/aoe/aoechr.c
+++ b/drivers/block/aoe/aoechr.c
@@ -140,10 +140,8 @@ bail: spin_unlock_irqrestore(&emsgs_lock, flags);
}

mp = kmemdup(msg, n, GFP_ATOMIC);
- if (mp == NULL) {
- printk(KERN_ERR "aoe: allocation failure, len=%ld\n", n);
+ if (!mp)
goto bail;
- }

em->msg = mp;
em->flags |= EMFL_VALID;
--
2.13.4
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