From d312a25d477519d5d47f8ce850e80b52cf4113b0 Mon Sep 17 00:00:00 2001 From: YueHaibing Date: Fri, 3 Aug 2018 14:39:11 +0800 Subject: um: NULL check before kfree is not needed kfree(NULL) is safe,so this removes NULL check before freeing the mem Signed-off-by: YueHaibing Signed-off-by: Richard Weinberger --- arch/um/drivers/vector_kern.c | 15 +++++---------- arch/um/drivers/vector_user.c | 6 ++---- 2 files changed, 7 insertions(+), 14 deletions(-) (limited to 'arch/um/drivers') diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c index 50ee3bb5a63a..c84133cf4848 100644 --- a/arch/um/drivers/vector_kern.c +++ b/arch/um/drivers/vector_kern.c @@ -1118,16 +1118,11 @@ static int vector_net_close(struct net_device *dev) os_close_file(vp->fds->tx_fd); vp->fds->tx_fd = -1; } - if (vp->bpf != NULL) - kfree(vp->bpf); - if (vp->fds->remote_addr != NULL) - kfree(vp->fds->remote_addr); - if (vp->transport_data != NULL) - kfree(vp->transport_data); - if (vp->header_rxbuffer != NULL) - kfree(vp->header_rxbuffer); - if (vp->header_txbuffer != NULL) - kfree(vp->header_txbuffer); + kfree(vp->bpf); + kfree(vp->fds->remote_addr); + kfree(vp->transport_data); + kfree(vp->header_rxbuffer); + kfree(vp->header_txbuffer); if (vp->rx_queue != NULL) destroy_queue(vp->rx_queue); if (vp->tx_queue != NULL) diff --git a/arch/um/drivers/vector_user.c b/arch/um/drivers/vector_user.c index 4d6a78e31089..3d8cdbdb4e66 100644 --- a/arch/um/drivers/vector_user.c +++ b/arch/um/drivers/vector_user.c @@ -267,8 +267,7 @@ cleanup: os_close_file(rxfd); if (txfd >= 0) os_close_file(txfd); - if (result != NULL) - kfree(result); + kfree(result); return NULL; } @@ -434,8 +433,7 @@ cleanup: if (fd >= 0) os_close_file(fd); if (result != NULL) { - if (result->remote_addr != NULL) - kfree(result->remote_addr); + kfree(result->remote_addr); kfree(result); } return NULL; -- cgit v1.2.3