From: Fernando Guzman Lugo <x0095...@ti.com>
This patch checks if the mailbox user has assinged a valid
callback fuction before calling it.
Signed-off-by: Fernando Guzman Lugo <x0095...@ti.com>
Signed-off-by: Hiroshi DOYU <hiroshi.d...@nokia.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 77c23f5..72efbe5 100644
--- a/arch/arm/plat-omap/mailbox.c
+++ b/arch/arm/plat-omap/mailbox.c
@@ -146,7 +146,8 @@ static void mbox_rx_work(struct work_struct *work)
msg = (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);
}
}
--
1.7.1.rc1
--
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