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authorLinus Torvalds2017-12-20 16:47:14 -0800
committerLinus Torvalds2017-12-20 16:47:14 -0800
commit877631f360fa83bb1fe4e0e8895e88f4d02b29e3 (patch)
tree95bcc74c6cb199a63d81e731e9870e39eba39701 /arch
parent1362d628cbce244e0b90c60d6d631289d07bbfa1 (diff)
parent36b0cb84ee858f02c256d26f0cb4229c78e3399e (diff)
Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM fix from Russell King: "Just one fix for a problem in the csum_partial_copy_from_user() implementation when software PAN is enabled" * 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: 8731/1: Fix csum_partial_copy_from_user() stack mismatch
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/lib/csumpartialcopyuser.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S
index 1712f132b80d..b83fdc06286a 100644
--- a/arch/arm/lib/csumpartialcopyuser.S
+++ b/arch/arm/lib/csumpartialcopyuser.S
@@ -85,7 +85,11 @@
.pushsection .text.fixup,"ax"
.align 4
9001: mov r4, #-EFAULT
+#ifdef CONFIG_CPU_SW_DOMAIN_PAN
+ ldr r5, [sp, #9*4] @ *err_ptr
+#else
ldr r5, [sp, #8*4] @ *err_ptr
+#endif
str r4, [r5]
ldmia sp, {r1, r2} @ retrieve dst, len
add r2, r2, r1