[PATCH] drivers/fsi: sbefifo: fix call_kern.cocci warnings
From: Julia Lawall <hidden>
Date: 2017-11-21 06:12:16
Also in:
lkml
Function sbefifo_enq_xfr called inside lock from sbefifo_write_common but
uses GFP_KERNEL. Change to GFP_ATOMIC.
Generated by: scripts/coccinelle/locks/call_kern.cocci
Fixes: 0f8664fbfc9f ("drivers/fsi: sbefifo: Add miscdevice")
CC: Edward A. James <eajames-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Signed-off-by: Julia Lawall <redacted>
Signed-off-by: Fengguang Wu <redacted>
---
Semantic patch information:
The proposed change of converting the GFP_KERNEL is not necessarily the
correct one. It may be desired to unlock the lock, or to not call the
function under the lock in the first place.
fsi-sbefifo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/fsi/fsi-sbefifo.c
+++ b/drivers/fsi/fsi-sbefifo.c@@ -266,7 +266,7 @@ static struct sbefifo_xfr *sbefifo_enq_x if (READ_ONCE(sbefifo->rc)) return ERR_PTR(sbefifo->rc); - xfr = kzalloc(sizeof(*xfr), GFP_KERNEL); + xfr = kzalloc(sizeof(*xfr), GFP_ATOMIC); if (!xfr) return ERR_PTR(-ENOMEM); --
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