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(parent: 38f24bc) | patch
arm64: ptrace: fix compat reg getter/setter return values
authorWill Deacon <will.deacon@arm.com>
Fri, 22 Aug 2014 13:20:24 +0000 (14:20 +0100)
committerWill Deacon <will.deacon@arm.com>
Thu, 28 Aug 2014 19:01:42 +0000 (20:01 +0100)
commit1a4e94cfa182c3694001542e55f7be52121a0ac1
treeb59a5d4c9ee42f7f60c2f1f0284112fc677429e8tree | snapshot
parent38f24bc6b08af6187dca5a228a4a1cd13ff6fcd6commit | diff
arm64: ptrace: fix compat reg getter/setter return values

copy_{to,from}_user return the number of bytes remaining on failure, not
an error code.

This patch returns -EFAULT when the copy operation didn't complete,
rather than expose the number of bytes not copied directly to userspace.

Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm64/kernel/ptrace.c diff | blob | history
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