| Message ID | 20240929031423.40630-1-hanchunchao@inspur.com |
|---|---|
| State | New |
| Headers | show |
| Series | usb: gadget: Add check devm_kasprintf() returned value | expand |
On Sun, 2024-09-29 at 11:14 +0800, Charles Han wrote: > devm_kasprintf() can return a NULL pointer on failure but this > returned value in ast_vhub_init_dev() is not checked. > > Fixes: 7ecca2a4080c ("usb/gadget: Add driver for Aspeed SoC virtual hub") > Signed-off-by: Charles Han <hanchunchao@inspur.com> You should consider Greg's bot's reply to your other patch here also: https://lore.kernel.org/all/2024092910-mobility-waking-758f@gregkh/ Andrew
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/dev.c b/drivers/usb/gadget/udc/aspeed-vhub/dev.c index 573109ca5b79..a09f72772e6e 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/dev.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/dev.c @@ -548,6 +548,9 @@ int ast_vhub_init_dev(struct ast_vhub *vhub, unsigned int idx) d->vhub = vhub; d->index = idx; d->name = devm_kasprintf(parent, GFP_KERNEL, "port%d", idx+1); + if (!d->name) + return -ENOMEM; + d->regs = vhub->regs + 0x100 + 0x10 * idx; ast_vhub_init_ep0(vhub, &d->ep0, d);
devm_kasprintf() can return a NULL pointer on failure but this returned value in ast_vhub_init_dev() is not checked. Fixes: 7ecca2a4080c ("usb/gadget: Add driver for Aspeed SoC virtual hub") Signed-off-by: Charles Han <hanchunchao@inspur.com> --- drivers/usb/gadget/udc/aspeed-vhub/dev.c | 3 +++ 1 file changed, 3 insertions(+)