[PATCH 099/142] USB: sisusbvga: Fix bug

Greg Kroah-Hartman <[email protected]>
Newsgroups gmane.linux.usb.devel
Message-ID <[email protected]>
From: Satyam Sharma <[email protected]>

drivers/usb/misc/sisusbvga/sisusb.c: In function sisusb_open
drivers/usb/misc/sisusbvga/sisusb.c:2444: warning: sisusb is used uninitialized in this function

is a genuine bug (which will cause oops). We cannot use "sisusb" in
error path for (!interface), because sisusb will itself be derived
from "interface" later.

Signed-off-by: Satyam Sharma <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 drivers/usb/misc/sisusbvga/sisusb.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 4d6b893..033bdfe 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -2440,10 +2440,8 @@ sisusb_open(struct inode *inode, struct file *file)
 	struct usb_interface *interface;
 	int subminor = iminor(inode);
 
-	if (!(interface = usb_find_interface(&sisusb_driver, subminor))) {
-		dev_err(&sisusb->sisusb_dev->dev, "Failed to find interface\n");
+	if (!(interface = usb_find_interface(&sisusb_driver, subminor)))
 		return -ENODEV;
-	}
 
 	if (!(sisusb = usb_get_intfdata(interface)))
 		return -ENODEV;
-- 
1.5.3.4


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