On Fri, Dec 19, 2008 at 04:07:53PM -0600, Eric Van Hensbergen wrote:
> NAK - the print is a debug to mark function entry when debugging is on
> -- it is not intended to show only success. If an erroneous s will
> cause the print to break then perhaps it should be parameterized, but
> the entire print shouldn't be pushed inside the if statement.
If s is an error then I suppose it will BUG when the printk tries to
dereference it. So I think a fix is necessary. How about this?
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 8fddfe8..e10c27d 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1022,7 +1022,9 @@ v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
{
char *s = nd_get_link(nd);
- P9_DPRINTK(P9_DEBUG_VFS, " %s %s\n", dentry->d_name.name, s);
+ P9_DPRINTK(P9_DEBUG_VFS, " %s %s\n", dentry->d_name.name,
+ IS_ERR(s) ? "<error>" : s);
+
if (!IS_ERR(s))
__putname(s);
}
Cheers,
Duane.
--
"I never could learn to drink that blood and call it wine" - Bob Dylan
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