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Commit 86ca57b5 authored by Lars Persson's avatar Lars Persson Committed by Ralf Baechle
Browse files

MIPS: Fix syscall tracing interface 



Fix pointer computation for stack-based arguments.

Signed-off-by: default avatarLars Persson <larper@axis.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6620/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent a8031d2c

arch/mips/include/asm/syscall.h

+2 −2
Original line number Diff line number Diff line
@@ -40,14 +40,14 @@ static inline unsigned long mips_get_syscall_arg(unsigned long *arg, 


#ifdef CONFIG_32BIT

	case 4: case 5: case 6: case 7:

		return get_user(*arg, (int *)usp + 4 * n);

		return get_user(*arg, (int *)usp + n);

#endif



#ifdef CONFIG_64BIT

	case 4: case 5: case 6: case 7:

#ifdef CONFIG_MIPS32_O32

		if (test_thread_flag(TIF_32BIT_REGS))

			return get_user(*arg, (int *)usp + 4 * n);

			return get_user(*arg, (int *)usp + n);

		else

#endif

			*arg = regs->regs[4 + n];