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Commit 5b89c004 authored Sep 28, 2010 by Al Viro Committed by Ralf Baechle Oct 18, 2010

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>

parent 8f5a00eb

arch/mips/kernel/scall32-o32.S

+1 −1

Original line number	Diff line number	Diff line
		@@ -169,7 +169,7 @@ stackargs:
		* We probably should handle this case a bit more drastic.
		*/
		bad_stack:
		negu v0 # error
		li v0, EFAULT
		sw v0, PT_R2(sp)
		li t0, 1 # set error flag
		sw t0, PT_R7(sp)

arch/mips/kernel/scall64-o32.S

+1 −1

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