HSI: omap_ssi: Fix return value check in ssi_debug_add_ctrl()

In case of error, the function debugfs_create_*() returns NULL
pointer not ERR_PTR() if debugfs is enabled. The IS_ERR() test
in the return value check should be replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/hsi/controllers/omap_ssi.c b/drivers/hsi/controllers/omap_ssi.c
index 232ab7340b76..bf0eace4cb67 100644
--- a/drivers/hsi/controllers/omap_ssi.c
+++ b/drivers/hsi/controllers/omap_ssi.c
@@ -148,14 +148,14 @@ static int __init ssi_debug_add_ctrl(struct hsi_controller *ssi)
 
         /* SSI controller */
         omap_ssi->dir = debugfs_create_dir(dev_name(&ssi->device), NULL);
-        if (IS_ERR(omap_ssi->dir))
-                return PTR_ERR(omap_ssi->dir);
+        if (!omap_ssi->dir)
+                return -ENOMEM;
 
         debugfs_create_file("regs", S_IRUGO, omap_ssi->dir, ssi,
                                                                 &ssi_regs_fops);
         /* SSI GDD (DMA) */
         dir = debugfs_create_dir("gdd", omap_ssi->dir);
-        if (IS_ERR(dir))
+        if (!dir)
                 goto rback;
         debugfs_create_file("regs", S_IRUGO, dir, ssi, &ssi_gdd_regs_fops);
 
@@ -163,7 +163,7 @@ static int __init ssi_debug_add_ctrl(struct hsi_controller *ssi)
 rback:
         debugfs_remove_recursive(omap_ssi->dir);
 
-        return PTR_ERR(dir);
+        return -ENOMEM;
 }
 
 static void ssi_debug_remove_ctrl(struct hsi_controller *ssi)