[patch v4 09/17] MMC: S3C24XX: Ensure host->mrq->data is valid

[Ben Dooks]

Fix a crash if host->mrq->data is NULL on ending a transfer.

Signed-off-by: Ben Dooks <ben-linux@xxxxxxxxx>

Index: linux-2.6.26-rc8-next20080627/drivers/mmc/host/s3cmci.c
===================================================================
--- linux-2.6.26-rc8-next20080627.orig/drivers/mmc/host/s3cmci.c	2008-06-30 12:36:42.000000000 +0100
+++ linux-2.6.26-rc8-next20080627/drivers/mmc/host/s3cmci.c	2008-06-30 12:36:49.000000000 +0100
@@ -353,7 +353,8 @@ static void pio_tasklet(unsigned long da
 			    (host->pio_active == XFER_READ) ? "read" : "write",
 			    host->pio_count, host->pio_words);
 
-			host->mrq->data->error = -EINVAL;
+			if (host->mrq->data)
+				host->mrq->data->error = -EINVAL;
 		}
 
 		finalize_request(host);

-- 
Ben (ben@xxxxxxxxx, http://www.fluff.org/)

  'a smiley only costs 4 bytes'
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