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authorRoel Kluin <roel.kluin@gmail.com>2009-06-12 10:26:34 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-06-12 10:27:34 +0200
commit6b9d8e80bb9edd0c9fe948a6ef105391de56b012 (patch)
treec4e29fc6485070f22650d3ebc7bf2133696b79a4 /drivers/s390/cio
parent239a64255fae8933d95273b5b92545949ca4e743 (diff)
downloadlinux-6b9d8e80bb9edd0c9fe948a6ef105391de56b012.tar.gz
[S390] qdio: fix access beyond ARRAY_SIZE of irq_ptr->{in,out}put_qs
Do not go beyond ARRAY_SIZE of irq_ptr->{in,out}put_qs

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio')
-rw-r--r--drivers/s390/cio/qdio_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index ba4facc37011..d79cf5bf0e62 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -1494,7 +1494,7 @@ int do_QDIO(struct ccw_device *cdev, unsigned int callflags,
 
 	if ((bufnr > QDIO_MAX_BUFFERS_PER_Q) ||
 	    (count > QDIO_MAX_BUFFERS_PER_Q) ||
-	    (q_nr > QDIO_MAX_QUEUES_PER_IRQ))
+	    (q_nr >= QDIO_MAX_QUEUES_PER_IRQ))
 		return -EINVAL;
 
 	if (!count)