Module: xenomai-forge
Branch: next
Commit: f8df18365742729d67aeac1d0f00a7ee40833679
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=f8df18365742729d67aeac1d0f00a7ee40833679
Author: Philippe Gerum <r...@xenomai.org>
Date: Tue Sep 3 12:08:30 2013 +0200
cobalt/posix/clock: fix clock_getres() to accept NULL output address
---
kernel/cobalt/posix/clock.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/cobalt/posix/clock.c b/kernel/cobalt/posix/clock.c
index ace7b0c..1bf21da 100644
--- a/kernel/cobalt/posix/clock.c
+++ b/kernel/cobalt/posix/clock.c
@@ -174,7 +174,7 @@ int cobalt_clock_getres(clockid_t clock_id, struct timespec
__user *u_ts)
ns2ts(&ts, ns);
}
- if (__xn_safe_copy_to_user(u_ts, &ts, sizeof(ts)))
+ if (u_ts && __xn_safe_copy_to_user(u_ts, &ts, sizeof(ts)))
return -EFAULT;
return 0;
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