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authorArnd Bergmann <arnd.bergmann@de.ibm.com>2007-06-04 23:26:51 +1000
committerPaul Mackerras <paulus@samba.org>2007-06-07 11:44:39 +1000
commit8f18a158192ef6dc63a572bdbbdf5613cfbbe2e4 (patch)
tree18d5911fe8262d060fccd0b8b581a1b574aebb44 /arch/powerpc/platforms/cell/spufs/inode.c
parent6291ed3c04d5c83c26e77d4fa47e06d0416be81d (diff)
[POWERPC] spufs: Refuse to load the module when not running on cell
As noticed by David Woodhouse, it's currently possible to mount spufs on any machine, which means that it actually will get mounted by fedora. This refuses to load the module on platforms that have no support for SPUs. Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/inode.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/inode.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 7150730e2ff..01c4805986f 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -600,6 +600,10 @@ spufs_create_root(struct super_block *sb, void *data)
struct inode *inode;
int ret;
+ ret = -ENODEV;
+ if (!spu_management_ops)
+ goto out;
+
ret = -ENOMEM;
inode = spufs_new_inode(sb, S_IFDIR | 0775);
if (!inode)