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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>
5.4-rM2-2.2.x-imx-squashed
Aditya Pakki 2019-12-15 13:58:58 -06:00 committed by Greg Kroah-Hartman
parent 5a14db967b
commit 75423fdad2
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/intersil/orinoco/orinoco_usb.c
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@ -1361,7 +1361,8 @@ 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