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Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/include/asm/dma-mapping.h1
-rw-r--r--arch/sh/kernel/signal_64.c6
2 files changed, 3 insertions, 4 deletions
diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h
index 8bd965e00a1..b437f2c780b 100644
--- a/arch/sh/include/asm/dma-mapping.h
+++ b/arch/sh/include/asm/dma-mapping.h
@@ -46,6 +46,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
struct dma_map_ops *ops = get_dma_ops(dev);
+ debug_dma_mapping_error(dev, dma_addr);
if (ops->mapping_error)
return ops->mapping_error(dev, dma_addr);
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 23853814bd1..d867cd95a62 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -347,7 +347,6 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3,
{
struct rt_sigframe __user *frame = (struct rt_sigframe __user *) (long) REF_REG_SP;
sigset_t set;
- stack_t __user st;
long long ret;
/* Always make any pending restarted system calls return -EINTR */
@@ -365,11 +364,10 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3,
goto badframe;
regs->pc -= 4;
- if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st)))
- goto badframe;
/* It is more difficult to avoid calling this function than to
call it and ignore errors. */
- do_sigaltstack(&st, NULL, REF_REG_SP);
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL, REF_REG_SP) == -EFAULT)
+ goto badframe;
return (int) ret;