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Date: Wed, 21 Mar 2007 15:18:14 -0700
From: Bryan O'Sullivan <bos@...hscale.com>
To: rdreier@...co.com
Cc: skyhover.pi@...il.com, linux-kernel@...r.kernel.org
Subject: [PATCH] IB/ipath: check return value of lookup_one_len
This fixes kernel.org bug 8003.
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@...gic.com>
diff -r 2a2b2b882891 -r e3e94873cfa0 drivers/infiniband/hw/ipath/ipath_fs.c
--- a/drivers/infiniband/hw/ipath/ipath_fs.c Wed Mar 21 15:16:07 2007 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c Wed Mar 21 15:16:07 2007 -0700
@@ -456,11 +456,17 @@ bail:
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);
@@ -474,6 +480,14 @@ static void remove_file(struct dentry *p
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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