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authorMike Frysinger <vapier@gentoo.org>2014-01-23 01:15:14 -0500
committerMike Frysinger <vapier@gentoo.org>2014-02-08 08:14:37 -0500
commit6fc8123f48680ddb6b40689a09c65488ee5bbd4b (patch)
treea6bda034ce36cb99f196471ad742f804218a1248
parent6349768c8b052e1ebdc1b9dcd2333decde6d80ff (diff)
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sem_open: allow RAMFS_MAGIC for mount points
A ramfs mount supports the same requirements as a tmpfs, so accept that
as a magic type too.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
-rw-r--r--nptl/ChangeLog4
-rw-r--r--nptl/sem_open.c6
2 files changed, 8 insertions, 2 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index a4d3f45a47..474a473bf8 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,7 @@
+2014-02-08  Mike Frysinger  <vapier@gentoo.org>
+
+	* sem_open.c (__where_is_shmfs): Compare f.f_type to RAMFS_MAGIC too.
+
 2014-02-05  Carlos O'Donell  <carlos@redhat.com>
 
 	* sysdeps/unix/sysv/linux/tst-setgetname.c (do_test): Skip the
diff --git a/nptl/sem_open.c b/nptl/sem_open.c
index 529f63693b..b57e6b7573 100644
--- a/nptl/sem_open.c
+++ b/nptl/sem_open.c
@@ -61,7 +61,8 @@ __where_is_shmfs (void)
 
   /* The canonical place is /dev/shm.  This is at least what the
      documentation tells everybody to do.  */
-  if (__statfs (defaultmount, &f) == 0 && f.f_type == SHMFS_SUPER_MAGIC)
+  if (__statfs (defaultmount, &f) == 0 && (f.f_type == SHMFS_SUPER_MAGIC
+					   || f.f_type == RAMFS_MAGIC))
     {
       /* It is in the normal place.  */
       mountpoint.dir = (char *) defaultdir;
@@ -95,7 +96,8 @@ __where_is_shmfs (void)
 	/* First make sure this really is the correct entry.  At least
 	   some versions of the kernel give wrong information because
 	   of the implicit mount of the shmfs for SysV IPC.  */
-	if (__statfs (mp->mnt_dir, &f) != 0 || f.f_type != SHMFS_SUPER_MAGIC)
+	if (__statfs (mp->mnt_dir, &f) != 0 || (f.f_type != SHMFS_SUPER_MAGIC
+						&& f.f_type != RAMFS_MAGIC))
 	  continue;
 
 	namelen = strlen (mp->mnt_dir);