We are checking dfs_rootdir for error value or NULL. But in the
conditional ternary operator we returned -ENODEV if dfs_rootdir contains
an error value and returned PTR_ERR(dfs_rootdir) if dfs_rootdir is NULL.
So in the case of dfs_rootdir being NULL we actually assigned 0 to err
and returned it to the caller implying a success.
Lets return -ENODEV when dfs_rootdir is NULL else return
PTR_ERR(dfs_rootdir).

Signed-off-by: Sudip Mukherjee <[email protected]>
---
 drivers/mtd/ubi/debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c
index b077e43..c4cb15a 100644
--- a/drivers/mtd/ubi/debug.c
+++ b/drivers/mtd/ubi/debug.c
@@ -236,7 +236,7 @@ int ubi_debugfs_init(void)
 
        dfs_rootdir = debugfs_create_dir("ubi", NULL);
        if (IS_ERR_OR_NULL(dfs_rootdir)) {
-               int err = dfs_rootdir ? -ENODEV : PTR_ERR(dfs_rootdir);
+               int err = dfs_rootdir ? PTR_ERR(dfs_rootdir) : -ENODEV;
 
                pr_err("UBI error: cannot create \"ubi\" debugfs directory, 
error %d\n",
                       err);
-- 
1.9.1

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