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Subject[PATCH] posix-timers: Fix clock_adjtime to return timex data on success
Date
Copy the modified timex data back to the user also with positive return
values. This fixes reading of the CLOCK_REALTIME timex data when the
clock is in a non-zero state.

Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
---
kernel/posix-timers.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 69185ae..10349d5 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -997,7 +997,7 @@ SYSCALL_DEFINE2(clock_adjtime, const clockid_t, which_clock,

err = kc->clock_adj(which_clock, &ktx);

- if (!err && copy_to_user(utx, &ktx, sizeof(ktx)))
+ if (err >= 0 && copy_to_user(utx, &ktx, sizeof(ktx)))
return -EFAULT;

return err;
--
1.7.11.7


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