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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2016-11-18 16:41:00 -0200
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2016-11-18 16:49:08 -0200
commite92bd6e362470aa0a79cfb19a512944f0761184b (patch)
treec890d3d7f2a9680c4f9d6ac9d9b7f1e7b7328784 /sysdeps/mach
parentc73c7fc07c001f2a907a9c6d50c57d377ce0351f (diff)
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Fix hurd __access_noerrno implementation.
This patch fixes some hurd bits from commit afcf3cd8eb that added the
__access_noerrno internal symbol.  It basically removes the nonrequired
__hurd_fail_noerrno (since the 'err' argument is ignored) and fixes
a typo for EACCES.

However, as stated on maillist [1] this __access_noerrno may still be
unsafe to run during initialization of tunables on the Hurd.  The
access_common calls __hurd_file_name_lookup, which calls
__hurd_file_name_lookup_retry, which can set errno.

[1] https://sourceware.org/ml/libc-alpha/2016-11/msg00646.html
Diffstat (limited to 'sysdeps/mach')
-rw-r--r--sysdeps/mach/hurd/access.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/sysdeps/mach/hurd/access.c b/sysdeps/mach/hurd/access.c
index 93e21666f8..0df939a64c 100644
--- a/sysdeps/mach/hurd/access.c
+++ b/sysdeps/mach/hurd/access.c
@@ -31,7 +31,7 @@ hurd_fail_seterrno (error_t err)
 static int
 hurd_fail_noerrno (error_t err)
 {
-  return __hurd_fail_noerrno (err);
+  return -1;
 }
 
 static int
@@ -149,13 +149,15 @@ access_common (const char *file, int type, int (*errfunc) (error_t))
 
   if (flags & ~allowed)
     /* We are not allowed all the requested types of access.  */
-    return errfunc (EACESS);
+    return errfunc (EACCES);
 
   return 0;
 }
 
 /* Test for access to FILE by our real user and group IDs without setting
-   errno.  */
+   errno.  This may be unsafe to run during initialization of tunables
+   since access_common calls __hurd_file_name_lookup, which calls
+   __hurd_file_name_lookup_retry, which can set errno.  */
 int
 __access_noerrno (const char *file, int type)
 {