From: Xiaoke Wang <xkernel.wang@xxxxxxxxxxx> In rtw_os_xmit_resource_alloc(), if usb_alloc_urb() fails, then the memory `pxmitbuf_pallocated_buf` which is allocated by kzalloc() is not properly released before returning. So this patch add kfree() on the above error path to release it. Signed-off-by: Xiaoke Wang <xkernel.wang@xxxxxxxxxxx> --- drivers/staging/r8188eu/os_dep/xmit_linux.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/staging/r8188eu/os_dep/xmit_linux.c b/drivers/staging/r8188eu/os_dep/xmit_linux.c index e430c64..0c448e0 100644 --- a/drivers/staging/r8188eu/os_dep/xmit_linux.c +++ b/drivers/staging/r8188eu/os_dep/xmit_linux.c @@ -75,8 +75,10 @@ int rtw_os_xmit_resource_alloc(struct adapter *padapter, struct xmit_buf *pxmitb pxmitbuf->dma_transfer_addr = 0; pxmitbuf->pxmit_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!pxmitbuf->pxmit_urb) + if (!pxmitbuf->pxmit_urb) { + kfree(pxmitbuf->pallocated_buf); return _FAIL; + } return _SUCCESS; } --