diff options
| author | Zhang Qilong <zhangqilong3@huawei.com> | 2020-11-17 05:16:29 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-20 18:32:46 +0300 |
| commit | 87bed3d7d26c974948a3d6e7176f304b2d41272b (patch) | |
| tree | bb14545a03676673a3986f94722a55ed03b0a273 /drivers/usb/gadget | |
| parent | e7694cb6998379341fd9bf3bd62b48c4e6a79385 (diff) | |
| download | linux-87bed3d7d26c974948a3d6e7176f304b2d41272b.tar.xz | |
usb: gadget: Fix memleak in gadgetfs_fill_super
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@huawei.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201117021629.1470544-3-zhangqilong3@huawei.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/legacy/inode.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; } |