| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.18 039/144] usb: gadget: gadgetfs: fix an oops in ep_write() | Date | Thu, 8 Nov 2018 13:50:10 -0800 |
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3.18-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 42d6cfa0caec4b68a7f17147fbf13a36e94a8bf2 ]
We try to free an ERR_PTR on this error path.
Fixes: b44be2462dbe ('usb: gadget: gadgetfs: Free memory allocated by memdup_user()') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/usb/gadget/legacy/inode.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index e2d57e3d67c7..7974956e8ded 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -442,6 +442,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) kbuf = memdup_user(buf, len); if (IS_ERR(kbuf)) { value = PTR_ERR(kbuf); + kbuf = NULL; goto free1; } -- 2.17.1
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