MIPS: Zero variable read by get_user / __get_user in case of an error. (640465bd) · Commits · 戴 / test

arch/mips/include/asm/uaccess.h

+4 −1

Original line number	Diff line number	Diff line
		@@ -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" \