usb: gadget: Fix memleak in gadgetfs_fill_super
commit5.4-rM2-2.2.x-imx-squashed87bed3d7d2
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:175f712119
("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>
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cad7b76a61
commit
f69d749d5f
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@ -2040,6 +2040,9 @@ gadgetfs_fill_super (struct super_block *sb, struct fs_context *fc)
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return 0;
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Enomem:
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kfree(CHIP);
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CHIP = NULL;
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return -ENOMEM;
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}
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