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-rw-r--r--arch/arm/plat-omap/mailbox.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c
index 77c23f5a003..72efbe5be57 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);
}
}