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MIPS: Fix error values in case of bad_stack 

We want EFAULT, not -<syscall number>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-kernel@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1699/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Al Viro 2010-09-28 18:50:47 +01:00 committed by Ralf Baechle
parent 8f5a00eb42
commit 5b89c0044e
2 changed files with 2 additions and 2 deletions
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2
arch/mips/kernel/scall32-o32.S
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@ -169,7 +169,7 @@ stackargs:
* We probably should handle this case a bit more drastic. * We probably should handle this case a bit more drastic.
*/ */
bad_stack: bad_stack:
negu v0 # error li v0, EFAULT
sw v0, PT_R2(sp) sw v0, PT_R2(sp)
li t0, 1 # set error flag li t0, 1 # set error flag
sw t0, PT_R7(sp) sw t0, PT_R7(sp)

2
arch/mips/kernel/scall64-o32.S
View File

@ -156,7 +156,7 @@ trace_a_syscall:
* The stackpointer for a call with more than 4 arguments is bad. * The stackpointer for a call with more than 4 arguments is bad.
*/ */
bad_stack: bad_stack:
dnegu v0 # error li v0, EFAULT
sd v0, PT_R2(sp) sd v0, PT_R2(sp)
li t0, 1 # set error flag li t0, 1 # set error flag
sd t0, PT_R7(sp) sd t0, PT_R7(sp)