From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 26 Jun 2016 12:25:36 +0200
The platform_device_put() function was called in one case by the
add_numbered_child() function during error handling even if the passed
variable "pdev" contained a null pointer.
Return directly in this case.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/mfd/twl-core.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 831696e..9458c6d 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -622,11 +622,8 @@ add_numbered_child(unsigned mod_no, const char *name, int num,
twl = &twl_priv->twl_modules[sid];
pdev = platform_device_alloc(name, num);
- if (!pdev) {
- dev_dbg(&twl->client->dev, "can't alloc dev\n");
- status = -ENOMEM;
- goto err;
- }
+ if (!pdev)
+ return ERR_PTR(-ENOMEM);
pdev->dev.parent = &twl->client->dev;
--
2.9.0
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