Messages in this thread Patch in this message | | | From | Christophe Leroy <> | Subject | [PATCH fixes] powerpc/vdso32: Fallback on getres syscall when clock is unknown | Date | Sat, 9 May 2020 09:42:14 +0000 (UTC) |
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There are other clocks than the standard ones, for instance per process clocks. Therefore, being above the last standard clock doesn't mean it is a bad clock. So, fallback to syscall instead of returning -EINVAL inconditionaly.
Fixes: e33ffc956b08 ("powerpc/vdso32: implement clock_getres entirely") Cc: stable@vger.kernel.org Reported-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- arch/powerpc/kernel/vdso32/gettimeofday.S | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S index a3951567118a..e7f8f9f1b3f4 100644 --- a/arch/powerpc/kernel/vdso32/gettimeofday.S +++ b/arch/powerpc/kernel/vdso32/gettimeofday.S @@ -218,11 +218,11 @@ V_FUNCTION_BEGIN(__kernel_clock_getres) blr /* - * invalid clock + * syscall fallback */ 99: - li r3, EINVAL - crset so + li r0,__NR_clock_getres + sc blr .cfi_endproc V_FUNCTION_END(__kernel_clock_getres) -- 2.25.0
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