From: Alexey Khoroshilov <khoroshilov@ispras.ru>
Date: Fri, 5 Dec 2014 21:28:01 +0000 (+0300)
Subject: uio/uio_pci_generic: don't return zero on failure path in probe()
X-Git-Tag: fixes-v4.0-rc1~101^2~65
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c4277e9ea70431aea0fecebb8bb9a3fbc27d074e;p=pandora-kernel.git

uio/uio_pci_generic: don't return zero on failure path in probe()

If uio_register_device() fails in probe(), it breaks off initialization,
deallocates all resources, but returns zero.

The patch adds proper error code propagation.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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