Commit fae8773b authored by Bryan O'Sullivan's avatar Bryan O'Sullivan Committed by Roland Dreier

IB/ipath: Check return value of lookup_one_len

This fixes kernel.org bug 8003.
Signed-off-by: default avatarBryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent e07832b6
......@@ -451,12 +451,18 @@ static int create_device_files(struct super_block *sb,
return ret;
}
static void remove_file(struct dentry *parent, char *name)
static int remove_file(struct dentry *parent, char *name)
{
struct dentry *tmp;
int ret;
tmp = lookup_one_len(name, parent, strlen(name));
if (IS_ERR(tmp)) {
ret = PTR_ERR(tmp);
goto bail;
}
spin_lock(&dcache_lock);
spin_lock(&tmp->d_lock);
if (!(d_unhashed(tmp) && tmp->d_inode)) {
......@@ -469,6 +475,14 @@ static void remove_file(struct dentry *parent, char *name)
spin_unlock(&tmp->d_lock);
spin_unlock(&dcache_lock);
}
ret = 0;
bail:
/*
* We don't expect clients to care about the return value, but
* it's there if they need it.
*/
return ret;
}
static int remove_device_files(struct super_block *sb,
......
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