Message ID | 20180327132601.12749-1-colin.king@canonical.com |
---|---|
State | Not Applicable |
Delegated to: | David Miller |
Headers | show |
Series | [next] libata: ensure host is free'd on error exit paths | expand |
On Tue, Mar 27, 2018 at 02:26:01PM +0100, Colin King wrote: > From: Colin Ian King <colin.king@canonical.com> > > The host structure is not being kfree'd on two error exit paths > leading to memory leaks. Add in new err_free label and kfree host. > > Detected by CoverityScan, CID#1466103 ("Resource leak") > > Fixes: 2623c7a5f279 ("libata: add refcounting to ata_host") > Signed-off-by: Colin Ian King <colin.king@canonical.com> Applied to libata/for-4.17. Thanks.
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index dc2c48b8ae45..8bc71ca61e7f 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6108,7 +6108,7 @@ struct ata_host *ata_host_alloc(struct device *dev, int max_ports) return NULL; if (!devres_open_group(dev, NULL, GFP_KERNEL)) - return NULL; + goto err_free; dr = devres_alloc(ata_devres_release, 0, GFP_KERNEL); if (!dr) @@ -6140,6 +6140,8 @@ struct ata_host *ata_host_alloc(struct device *dev, int max_ports) err_out: devres_release_group(dev, NULL); + err_free: + kfree(host); return NULL; }