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Commit 37de7ceb authored by Zhang Qilong's avatar Zhang Qilong Committed by Greg Kroah-Hartman
Browse files

usb: gadget: Fix memleak in gadgetfs_fill_super 



commit 87bed3d7d26c974948a3d6e7176f304b2d41272b upstream.

usb_get_gadget_udc_name will alloc memory for CHIP
in "Enomem" branch. we should free it before error
returns to prevent memleak.

Fixes: 175f7121 ("usb: gadget: provide interface for legacy gadgets to get UDC name")
Reported-by: default avatarHulk Robot <hulkci@huawei.com>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarZhang 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: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1c08e7c2

drivers/usb/gadget/legacy/inode.c

+3 −0
Original line number Diff line number Diff line
@@ -2039,6 +2039,9 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) 
	return 0;



Enomem:

	kfree(CHIP);

	CHIP = NULL;



	return -ENOMEM;

}