From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Date: Thu, 5 Feb 2015 22:41:43 +0000 (-0500)
Subject: rds: Make rds_message_copy_from_user() return 0 on success.
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~134^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d0a47d32724bf0765b8768086ef1a7a6d074a7a0;p=pandora-kernel.git

rds: Make rds_message_copy_from_user() return 0 on success.

Commit 083735f4b01b ("rds: switch rds_message_copy_from_user() to iov_iter")
breaks rds_message_copy_from_user() semantics on success, and causes it
to return nbytes copied, when it should return 0.  This commit fixes that bug.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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