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authorJoakim Tjernlund <joakim.tjernlund@infinera.com>2017-09-05 13:59:43 +0200
committerScott Wood <oss@buserror.net>2018-01-20 23:08:43 -0600
commitbb8651e5ce2c23c36998b263272ab2f9203f5a2e (patch)
treeca5f924d3f79e6be3e982e00ebd20f75356adeec /arch/powerpc/sysdev
parentf2ac428e0edabbca41b9dfe9473a90147962e4e9 (diff)
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powerpc/fsl_pci: Correct fsl_pci_mcheck_exception
get_user() had it args reversed causing NIP to be NULL:ed instead of fixing up the PCI access. Note: This still hangs my P1020 Freescale CPU hard, but at least I get a NIP now. Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com> Acked-by: Li Yang <leoyang.li@nxp.com> Signed-off-by: Scott Wood <oss@buserror.net>
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r--arch/powerpc/sysdev/fsl_pci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 1e57edd4947a..0c524c20c462 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -1070,7 +1070,7 @@ int fsl_pci_mcheck_exception(struct pt_regs *regs)
if (is_in_pci_mem_space(addr)) {
if (user_mode(regs)) {
pagefault_disable();
- ret = get_user(regs->nip, &inst);
+ ret = get_user(inst, (__u32 __user *)regs->nip);
pagefault_enable();
} else {
ret = probe_kernel_address((void *)regs->nip, inst);