orinoco: avoid assertion in case of NULL pointer

[ Upstream commit c705f9fc6a ]

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>
This commit is contained in:
Aditya Pakki
2019-12-15 13:58:58 -06:00
committed by Greg Kroah-Hartman
parent 6d91568410
commit 4f96316a11

View File

@@ -1364,7 +1364,8 @@ 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