microblaze: Clear return value in pt_regs
commit7d4320956f0f8aa2c36c23f209acc3e4c3ae52d6
authorMichal Simek <monstr@monstr.eu>
Fri, 6 Aug 2010 08:42:30 +0000 (6 10:42 +0200)
committerMichal Simek <monstr@monstr.eu>
Thu, 21 Oct 2010 05:51:29 +0000 (21 15:51 +1000)
tree2a61281485ca14ede2e64665d06875b56bcb4a8a
parent791d0a169b912220d58e0ce4564d7bf1e68146a8
microblaze: Clear return value in pt_regs

Signal code uses r3 value which saved in restore_sigcontext to
rt_sigframe but it require to be zeroed. If is not zero rt_sigframe
contains wrong values.

Signed-off-by: Michal Simek <monstr@monstr.eu>
arch/microblaze/kernel/entry.S