leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

gnss: fix potential error pointer dereference

Browse Source 
The gnss_allocate_device() function returns a mix of NULL and error
pointers on error.  It should only return one or the other.  Since the
callers both check for NULL, I've modified it to return NULL on error.

Fixes: 2b6a440351 ("gnss: add GNSS receiver subsystem")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2018-07-16 12:42:03 +02:00 committed by Greg Kroah-Hartman
parent 55570f1a44
commit d9995a0fab
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gnss/core.c
View File

@ -235,7 +235,7 @@ struct gnss_device *gnss_allocate_device(struct device *parent)
id = ida_simple_get(&gnss_minors, 0, GNSS_MINORS, GFP_KERNEL);
if (id < 0) {
kfree(gdev);
return ERR_PTR(id);
return NULL;
}
gdev->id = id;
@ -270,7 +270,7 @@ struct gnss_device *gnss_allocate_device(struct device *parent)
err_put_device:
put_device(dev);
return ERR_PTR(-ENOMEM);
return NULL;
}
EXPORT_SYMBOL_GPL(gnss_allocate_device);