* [PATCH] aoe: Use kmemdup rather than duplicating its implementation
@ 2011-11-17 22:43 Thomas Meyer
0 siblings, 0 replies; only message in thread
From: Thomas Meyer @ 2011-11-17 22:43 UTC (permalink / raw)
To: linux-kernel
The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
---
diff -u -p a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c
--- a/drivers/block/aoe/aoechr.c 2011-11-07 19:39:05.287793252 +0100
+++ b/drivers/block/aoe/aoechr.c 2011-11-08 10:37:35.225430670 +0100
@@ -134,13 +134,12 @@ bail: spin_unlock_irqrestore(&emsgs_loc
return;
}
- mp = kmalloc(n, GFP_ATOMIC);
+ mp = kmemdup(msg, n, GFP_ATOMIC);
if (mp == NULL) {
printk(KERN_ERR "aoe: allocation failure, len=%ld\n", n);
goto bail;
}
- memcpy(mp, msg, n);
em->msg = mp;
em->flags |= EMFL_VALID;
em->len = n;
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