--- arch/arm/lib/findbit.S

+++ arch/arm/lib/findbit.S

@@ -174,8 +174,8 @@ ENDPROC(_find_next_bit_be)

*/

.L_found:

#if __LINUX_ARM_ARCH__ >= 5

- rsb r1, r3, #0

- and r3, r3, r1

+ rsb r0, r3, #0

+ and r3, r3, r0

clz r3, r3

rsb r3, r3, #31

add r0, r2, r3

@@ -190,5 +190,7 @@ ENDPROC(_find_next_bit_be)

addeq r2, r2, #1

mov r0, r2

#endif

+ cmp r1, r0 @ Clamp to maxbit

+ movlo r0, r1

mov pc, lr