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authorSamuel Iglesias Gonsalvez <siglesias@igalia.com>2012-05-23 15:54:44 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-07 14:14:08 +0900
commit786d986ea25632e3d8e7ad5ac2780861ff2b654f (patch)
treeed2261af2454c7519f61828c44b0d29bf0387406 /drivers/staging/ipack
parent6ad0c486a4e702fa059ea24c2585c416f01f4664 (diff)
downloadblackbird-obmc-linux-786d986ea25632e3d8e7ad5ac2780861ff2b654f.tar.gz
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Staging: ipack/bridges/tpci200: check if the remove function is available
To avoid a dereference of a NULL pointer, the availability of the function is checked before its use. Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ipack')
-rw-r--r--drivers/staging/ipack/bridges/tpci200.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c
index 0c2a50a1ec00..ee26d9a7e370 100644
--- a/drivers/staging/ipack/bridges/tpci200.c
+++ b/drivers/staging/ipack/bridges/tpci200.c
@@ -764,6 +764,8 @@ out:
static void tpci200_slot_remove(struct tpci200_slot *slot)
{
if ((slot->dev == NULL) ||
+ (slot->dev->driver == NULL) ||
+ (slot->dev->driver->ops == NULL) ||
(slot->dev->driver->ops->remove == NULL))
return;
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