3.16.55-rc1 review patch. If anyone has any objections, please let me know.
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From: Shuah Khan shuahkh@osg.samsung.com
commit 90120d15f4c397272aaf41077960a157fc4212bf upstream.
usbip driver is leaking socket pointer address in messages. Remove the messages that aren't useful and print sockfd in the ones that are useful for debugging.
Signed-off-by: Shuah Khan shuahkh@osg.samsung.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org [bwh: Backported to 3.16: adjust filenames, context] Signed-off-by: Ben Hutchings ben@decadent.org.uk --- --- a/drivers/staging/usbip/stub_dev.c +++ b/drivers/staging/usbip/stub_dev.c @@ -190,8 +190,7 @@ static void stub_shutdown_connection(str * step 1? */ if (ud->tcp_socket) { - dev_dbg(&sdev->udev->dev, "shutdown tcp_socket %p\n", - ud->tcp_socket); + dev_dbg(&sdev->udev->dev, "shutdown sockfd %d\n", ud->sockfd); kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR); }
--- a/drivers/staging/usbip/usbip_common.c +++ b/drivers/staging/usbip/usbip_common.c @@ -333,13 +333,10 @@ int usbip_recv(struct socket *sock, void char *bp = buf; int osize = size;
- usbip_dbg_xmit("enter\n"); - - if (!sock || !buf || !size) { - pr_err("invalid arg, sock %p buff %p size %d\n", sock, buf, - size); + if (!sock || !buf || !size) return -EINVAL; - } + + usbip_dbg_xmit("enter\n");
do { sock->sk->sk_allocation = GFP_NOIO; @@ -352,11 +349,8 @@ int usbip_recv(struct socket *sock, void msg.msg_flags = MSG_NOSIGNAL;
result = kernel_recvmsg(sock, &msg, &iov, 1, size, MSG_WAITALL); - if (result <= 0) { - pr_debug("receive sock %p buf %p size %u ret %d total %d\n", - sock, buf, size, result, total); + if (result <= 0) goto err; - }
size -= result; buf += result; --- a/drivers/staging/usbip/vhci_hcd.c +++ b/drivers/staging/usbip/vhci_hcd.c @@ -767,7 +767,7 @@ static void vhci_shutdown_connection(str
/* need this? see stub_dev.c */ if (ud->tcp_socket) { - pr_debug("shutdown tcp_socket %p\n", ud->tcp_socket); + pr_debug("shutdown tcp_socket %d\n", ud->sockfd); kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR); }