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MIPS: Zero variable read by get_user / __get_user in case of an error.

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This wasn't happening in all cases.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2014-11-18 18:47:13 +01:00
parent 51b1029d99
commit 640465bda5
1 changed files with 4 additions and 1 deletions
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5
arch/mips/include/asm/uaccess.h
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@ -301,7 +301,8 @@ do { \
__get_kernel_common((x), size, __gu_ptr); \
else \
__get_user_common((x), size, __gu_ptr); \
} \
} else \
(x) = 0; \
\
__gu_err; \
})
@ -316,6 +317,7 @@ do { \
" .insn \n" \
" .section .fixup,\"ax\" \n" \
"3: li %0, %4 \n" \
" move %1, $0 \n" \
" j 2b \n" \
" .previous \n" \
" .section __ex_table,\"a\" \n" \
@ -630,6 +632,7 @@ do { \
" .insn \n" \
" .section .fixup,\"ax\" \n" \
"3: li %0, %4 \n" \
" move %1, $0 \n" \
" j 2b \n" \
" .previous \n" \
" .section __ex_table,\"a\" \n" \