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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2022-01-15 15:37:03 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2022-01-15 15:37:03 +0100
commit67ca1c55603d3e99c26e3edf7955a58b78cfe0ad (patch)
treef8d6b3e5147b8d4ee4fd25ff9627fd22c5fc5650 /sysdeps
parent2c040d0b904ca8dfd34e72dc9b4722d92436ad7e (diff)
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hurd: Fix timer/clock_getres crash on NULL res parameter
POSIX allows res to be NULL.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/posix/clock_getres.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sysdeps/posix/clock_getres.c b/sysdeps/posix/clock_getres.c
index 252fc9b4ed..b6c3a10791 100644
--- a/sysdeps/posix/clock_getres.c
+++ b/sysdeps/posix/clock_getres.c
@@ -34,8 +34,11 @@ realtime_getres (struct timespec *res)
       /* This implementation assumes that the realtime clock has a
 	 resolution higher than 1 second.  This is the case for any
 	 reasonable implementation.  */
-      res->tv_sec = 0;
-      res->tv_nsec = 1000000000 / clk_tck;
+      if (res)
+	{
+	  res->tv_sec = 0;
+	  res->tv_nsec = 1000000000 / clk_tck;
+	}
       return 0;
     }