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authorDan Carpenter <error27@gmail.com>2010-08-11 03:03:31 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-11 17:59:22 +0200
commitf65a03f6ab6f53a6f2847dbac232dcb38b3b3642 (patch)
treeb6412bfc2ec6dd1cc061e11e60cad1949ca6cf8d /REPORTING-BUGS
parentparport_serial: use the PCI IRQ if offered (diff)
downloadlinux-f65a03f6ab6f53a6f2847dbac232dcb38b3b3642.tar.xz
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kexec: return -EFAULT on copy_to_user() failures
copy_to/from_user() returns the number of bytes remaining to be copied. It never returns a negative value. The correct return code is -EFAULT and not -EIO. All the callers check for non-zero returns so that's Ok, but the return code is passed to the user so we should fix this. Signed-off-by: Dan Carpenter <error27@gmail.com> Cc: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Simon Kagstrom <simon.kagstrom@netinsight.net> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'REPORTING-BUGS')
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