* [PATCH] powerpc/fsl_pci: Check for get_user/probe_kernel_address failure
@ 2015-08-24 16:26 Scott Wood
0 siblings, 0 replies; only message in thread
From: Scott Wood @ 2015-08-24 16:26 UTC (permalink / raw)
To: linuxppc-dev
Cc: Scott Wood, Andrew Morton, Benjamin Herrenschmidt, Hongtao Jia
Signed-off-by: Scott Wood <scottwood@freescale.com>
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Hongtao Jia <hongtao.jia@freescale.com>
---
arch/powerpc/sysdev/fsl_pci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index ebc1f412..5dab1fd 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -1002,7 +1002,7 @@ int fsl_pci_mcheck_exception(struct pt_regs *regs)
ret = probe_kernel_address(regs->nip, inst);
}
- if (mcheck_handle_load(regs, inst)) {
+ if (ret && mcheck_handle_load(regs, inst)) {
regs->nip += 4;
return 1;
}
--
2.1.4
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2015-08-24 16:26 [PATCH] powerpc/fsl_pci: Check for get_user/probe_kernel_address failure Scott Wood
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