]> git.baikalelectronics.ru Git - kernel.git/commit
tile/ptrace: Preserve previous registers for short regset write
authorDave Martin <Dave.Martin@arm.com>
Fri, 6 Jan 2017 17:54:51 +0000 (17:54 +0000)
committerChris Metcalf <cmetcalf@mellanox.com>
Fri, 6 Jan 2017 20:14:08 +0000 (15:14 -0500)
commit470911b7789a18b7905b06f07d643d1b22d00023
tree5fe0d6f6b165d867bb76c296c0afbb5b22c52f47
parenta780c2d5637d959a6133b349d5166a4148a42da3
tile/ptrace: Preserve previous registers for short regset write

Ensure that if userspace supplies insufficient data to
PTRACE_SETREGSET to fill all the registers, the thread's old
registers are preserved.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
arch/tile/kernel/ptrace.c