usb_get_gadget_udc_name will alloc memory for CHIP
in "Enomem" branch. we should free it before error
returns to prevent memleak.
Fixes: 175f712119c57 ("usb: gadget: provide interface for legacy gadgets to get UDC name")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Zhang Qilong <zhangqilong3@xxxxxxxxxx>
---
Changelog:
v2
- replace free with kfree.
---
drivers/usb/gadget/legacy/inode.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index 1b430b36d0a6..71e7d10dd76b 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -2039,6 +2039,9 @@ gadgetfs_fill_super (struct super_block *sb, struct fs_context *fc)
return 0;
Enomem:
+ kfree(CHIP);
+ CHIP = NULL;
+
return -ENOMEM;
}
--
2.25.4
