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sem_open: allow RAMFS_MAGIC for mount points

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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>
This commit is contained in:
Mike Frysinger
2014-01-23 01:15:14 -05:00
parent 6349768c8b
commit 6fc8123f48
2 changed files with 8 additions and 2 deletions
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6
nptl/sem_open.c
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@ -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);