* [PATCH] Mailbox: Check valid registered callback before calling
@ 2010-01-28 2:04 Fernando Guzman Lugo
0 siblings, 0 replies; only message in thread
From: Fernando Guzman Lugo @ 2010-01-28 2:04 UTC (permalink / raw)
To: linux-arm-kernel
This patch checks if the mailbox user has assinged a valid
callback fuction before calling it.
Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com>
---
arch/arm/plat-omap/mailbox.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c
index 3e2f961..8136ee3 100644
--- a/arch/arm/plat-omap/mailbox.c
+++ b/arch/arm/plat-omap/mailbox.c
@@ -144,7 +144,8 @@ static void mbox_rx_work(struct work_struct *work)
=20
msg =3D (mbox_msg_t)rq->special;
blk_end_request_all(rq, 0);
- mbox->rxq->callback((void *)msg);
+ if (mbox->rxq->callback)
+ mbox->rxq->callback((void *)msg);
}
}
=20
--=20
1.6.0.4
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2010-01-28 2:04 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-01-28 2:04 [PATCH] Mailbox: Check valid registered callback before calling Fernando Guzman Lugo
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox