From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sun, 3 Jul 2011 22:24:21 +0000 (+0100)
Subject: ARM: dmabounce: fix map_single() error return value
X-Git-Tag: v3.0-rc7~13^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=178783622ce0fd629fad21b33b8f8f56b64c5e45;p=pandora-kernel.git

ARM: dmabounce: fix map_single() error return value

When map_single() is unable to obtain a safe buffer, we must return
the dma_addr_t error value, which is ~0 rather than 0.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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