[PATCH] soc: qcom: cmd-db: Fix an error code in cmd_db_dev_probe()

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The memremap() function doesn't return error pointers, it returns NULL.
This code is returning "ret = PTR_ERR(NULL);" which is success, but it
should return -ENOMEM.

Fixes: 312416d9171a ("drivers: qcom: add command DB driver")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/soc/qcom/cmd-db.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c
index c701b3b010f1..f6c3d17b05c7 100644
--- a/drivers/soc/qcom/cmd-db.c
+++ b/drivers/soc/qcom/cmd-db.c
@@ -248,8 +248,8 @@ static int cmd_db_dev_probe(struct platform_device *pdev)
 	}
 
 	cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WB);
-	if (IS_ERR_OR_NULL(cmd_db_header)) {
-		ret = PTR_ERR(cmd_db_header);
+	if (!cmd_db_header) {
+		ret = -ENOMEM;
 		cmd_db_header = NULL;
 		return ret;
 	}
-- 
2.17.1




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