usb: gadget: don't dereference g until after it has been null checked

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[ Upstream commit b2fc059fa5 ]

Avoid dereferencing pointer g until after g has been sanity null checked;
move the assignment of cdev much later when it is required into a more
local scope.

Detected by CoverityScan, CID#1222135 ("Dereference before null check")

Fixes: b785ea7ce6 ("usb: gadget: composite: fix ep->maxburst initialization")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Colin Ian King 2017-11-14 16:18:28 +00:00 • committed by Greg Kroah-Hartman

parent aafb1a7eb0

commit 0479bc0176

1 changed files with 5 additions and 2 deletions

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drivers/usb/gadget/composite.c

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