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net: irda: set error code on failures

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When the calls to kzalloc() fail, the value of return variable ret may
be 0. 0 means success in this context. This patch fixes the bug,
assigning "-ENOMEM" to ret before calling kzalloc().

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188971

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pan Bian 2016-12-04 13:27:40 +08:00 committed by David S. Miller
parent c79e167c3c
commit 8ad3ba9345
1 changed files with 1 additions and 0 deletions
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1
drivers/net/irda/irda-usb.c
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@ -1723,6 +1723,7 @@ static int irda_usb_probe(struct usb_interface *intf,
/* Don't change this buffer size and allocation without doing
* some heavy and complete testing. Don't ask why :-(
* Jean II */
ret = -ENOMEM;
self->speed_buff = kzalloc(IRDA_USB_SPEED_MTU, GFP_KERNEL);
if (!self->speed_buff)
goto err_out_3;