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authorJohan Hovold <johan@kernel.org>2019-12-10 12:44:26 +0100
committerKalle Valo <kvalo@codeaurora.org>2019-12-18 21:06:07 +0200
commit2d68bb2687abb747558b933e80845ff31570a49c (patch)
treedaf7f2415b72aa7181aa1dfd60ca872a4d319340 /drivers/net/wireless/zydas
parent3139b180906af43bc09bd3373fc2338a8271d9d9 (diff)
zd1211rw: fix storage endpoint lookup
Make sure to use the current alternate setting when verifying the storage interface descriptors to avoid submitting an URB to an invalid endpoint. Failing to do so could cause the driver to misbehave or trigger a WARN() in usb_submit_urb() that kernels with panic_on_warn set would choke on. Fixes: a1030e92c150 ("[PATCH] zd1211rw: Convert installer CDROM device into WLAN device") Cc: stable <stable@vger.kernel.org> # 2.6.19 Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/zydas')
-rw-r--r--drivers/net/wireless/zydas/zd1211rw/zd_usb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/zydas/zd1211rw/zd_usb.c b/drivers/net/wireless/zydas/zd1211rw/zd_usb.c
index 7b5c2fe5bd4d..8ff0374126e4 100644
--- a/drivers/net/wireless/zydas/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zydas/zd1211rw/zd_usb.c
@@ -1263,7 +1263,7 @@ static void print_id(struct usb_device *udev)
static int eject_installer(struct usb_interface *intf)
{
struct usb_device *udev = interface_to_usbdev(intf);
- struct usb_host_interface *iface_desc = &intf->altsetting[0];
+ struct usb_host_interface *iface_desc = intf->cur_altsetting;
struct usb_endpoint_descriptor *endpoint;
unsigned char *cmd;
u8 bulk_out_ep;