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authorOtavio Salvador <otavio@ossystems.com.br>2019-03-28 10:47:24 -0300
committerGitHub <noreply@github.com>2019-03-28 10:47:24 -0300
commit0a8ab17689e628c84a666195bfc6ab85d11cf057 (patch)
tree01630dc4a6935df99bf7d11d34ff8d384fed86e2 /arch/arm/lib/copy_from_user.S
parent1e71d8c630cbc0d1f5d762fd019690b5cdb880ae (diff)
parent32aca03c2ce868d3412da0bb6ce6798c7bea357e (diff)
Merge pull request #46 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'arch/arm/lib/copy_from_user.S')
-rw-r--r--arch/arm/lib/copy_from_user.S6
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S
index a826df3d3814..6709a8d33963 100644
--- a/arch/arm/lib/copy_from_user.S
+++ b/arch/arm/lib/copy_from_user.S
@@ -93,11 +93,7 @@ ENTRY(arm_copy_from_user)
#ifdef CONFIG_CPU_SPECTRE
get_thread_info r3
ldr r3, [r3, #TI_ADDR_LIMIT]
- adds ip, r1, r2 @ ip=addr+size
- sub r3, r3, #1 @ addr_limit - 1
- cmpcc ip, r3 @ if (addr+size > addr_limit - 1)
- movcs r1, #0 @ addr = NULL
- csdb
+ uaccess_mask_range_ptr r1, r2, r3, ip
#endif
#include "copy_template.S"