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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2022-09-29 16:18:06 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2022-09-30 15:25:15 -0300
commit609c9d0951da387cd523b5db42a82d38dabc37c4 (patch)
treea9f4e664f78c4d4870d479db5ef467519d015137 /stdlib
parent13db9ee2cb3b77e25f852be7d6952882e1be6f00 (diff)
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malloc: Do not clobber errno on __getrandom_nocancel (BZ #29624)
Use INTERNAL_SYSCALL_CALL instead of INLINE_SYSCALL_CALL.  This
requires emulate the semantic for hurd call (so __arc4random_buf
uses the fallback).

Checked on x86_64-linux-gnu.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
Diffstat (limited to 'stdlib')
-rw-r--r--stdlib/arc4random.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/stdlib/arc4random.c b/stdlib/arc4random.c
index 960a38f295..c126c601bf 100644
--- a/stdlib/arc4random.c
+++ b/stdlib/arc4random.c
@@ -51,7 +51,7 @@ __arc4random_buf (void *p, size_t n)
 	  n -= l;
 	  continue; /* Interrupted by a signal; keep going.  */
 	}
-      else if (l < 0 && errno == ENOSYS)
+      else if (l == -ENOSYS)
 	break; /* No syscall, so fallback to /dev/urandom.  */
       arc4random_getrandom_failure ();
     }