| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 044/113] orinoco: avoid assertion in case of NULL pointer | Date | Thu, 27 Feb 2020 14:36:00 +0100 |
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From: Aditya Pakki <pakki001@umn.edu>
[ Upstream commit c705f9fc6a1736dcf6ec01f8206707c108dca824 ]
In ezusb_init, if upriv is NULL, the code crashes. However, the caller in ezusb_probe can handle the error and print the failure message. The patch replaces the BUG_ON call to error return.
Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/wireless/orinoco/orinoco_usb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/orinoco/orinoco_usb.c b/drivers/net/wireless/orinoco/orinoco_usb.c index e434f7ca8ff36..3c5baccd67922 100644 --- a/drivers/net/wireless/orinoco/orinoco_usb.c +++ b/drivers/net/wireless/orinoco/orinoco_usb.c @@ -1351,7 +1351,8 @@ static int ezusb_init(struct hermes *hw) int retval; BUG_ON(in_interrupt()); - BUG_ON(!upriv); + if (!upriv) + return -EINVAL; upriv->reply_count = 0; /* Write the MAGIC number on the simulated registers to keep -- 2.20.1
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