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authorBen Dooks <ben-linux@fluff.org>2008-06-30 23:40:31 +0200
committerPierre Ossman <drzeus@drzeus.cx>2008-07-15 14:14:47 +0200
commit7c14450ed6ab4ed453b2bf216ca3aaa7a5402af3 (patch)
tree034ef0450ffd5136acad12372cb94ef7b1952bb6
parentMMC: S3C24XX: Add support to invert write protect line (diff)
downloadlinux-7c14450ed6ab4ed453b2bf216ca3aaa7a5402af3.tar.xz
linux-7c14450ed6ab4ed453b2bf216ca3aaa7a5402af3.zip
MMC: S3C24XX: Ensure host->mrq->data is valid
Fix a crash if host->mrq->data is NULL on ending a transfer. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
-rw-r--r--drivers/mmc/host/s3cmci.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 4fd11d8864eb..ffd9269a1874 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -353,7 +353,8 @@ static void pio_tasklet(unsigned long data)
(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);