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USB: dummy-hcd: Fix uninitialized array use in init()

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commit e90cfa813da7a527785033a0b247594c2de93dd8 upstream.

This error path

	err_add_pdata:
		for (i = 0; i < mod_data.num; i++)
			kfree(dum[i]);

can be triggered when not all dum's elements are initialized.

Fix this by initializing all dum's elements to NULL.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Link: https://lore.kernel.org/r/1607063090-3426-1-git-send-email-minhquangbui99@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bui Quang Minh 2020-12-04 06:24:49 +00:00 • committed by Greg Kroah-Hartman
commit 52c2ada6fe
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/gadget/udc/dummy_hcd.c
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@ -2733,7 +2733,7 @@ static int __init init(void)
{
int retval = -ENOMEM;
int i;
struct dummy *dum[MAX_NUM_UDC];
struct dummy *dum[MAX_NUM_UDC] = {};
if (usb_disabled())
return -ENODEV;