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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
parent6291ed3c04d5c83c26e77d4fa47e06d0416be81d (diff)
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[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>
-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 7150730..01c4805 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)