From 7044f429e70d987cdc780f26a9b9951970645966 Mon Sep 17 00:00:00 2001 From: Govindarajulu Varadarajan Date: Mon, 19 Jun 2017 16:28:44 -0700 Subject: enic: Fix format truncation warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit With -Wformat-truncation, gcc throws the following warning. Fix this by increasing the size of devname to accommodate 15 character netdev interface name and description. Remove length format precision for %s. We can fit entire name. Also increment the version. drivers/net/ethernet/cisco/enic/enic_main.c: In function ‘enic_open’: drivers/net/ethernet/cisco/enic/enic_main.c:1740:15: warning: ‘%u’ directive output may be truncated writing between 1 and 2 bytes into a region of size between 1 and 12 [-Wformat-truncation=] "%.11s-rx-%u", netdev->name, i); ^~ drivers/net/ethernet/cisco/enic/enic_main.c:1740:5: note: directive argument in the range [0, 16] "%.11s-rx-%u", netdev->name, i); ^~~~~~~~~~~~~ drivers/net/ethernet/cisco/enic/enic_main.c:1738:4: note: ‘snprintf’ output between 6 and 18 bytes into a destination of size 16 snprintf(enic->msix[intr].devname, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sizeof(enic->msix[intr].devname), ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "%.11s-rx-%u", netdev->name, i); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Govindarajulu Varadarajan Signed-off-by: David S. Miller --- drivers/net/ethernet/cisco/enic/enic.h | 4 ++-- drivers/net/ethernet/cisco/enic/enic_main.c | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/cisco/enic/enic.h b/drivers/net/ethernet/cisco/enic/enic.h index 2b23f46b34d3..ba032ac9ae86 100644 --- a/drivers/net/ethernet/cisco/enic/enic.h +++ b/drivers/net/ethernet/cisco/enic/enic.h @@ -33,7 +33,7 @@ #define DRV_NAME "enic" #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver" -#define DRV_VERSION "2.3.0.31" +#define DRV_VERSION "2.3.0.42" #define DRV_COPYRIGHT "Copyright 2008-2013 Cisco Systems, Inc" #define ENIC_BARS_MAX 6 @@ -47,7 +47,7 @@ struct enic_msix_entry { int requested; - char devname[IFNAMSIZ]; + char devname[IFNAMSIZ + 8]; irqreturn_t (*isr)(int, void *); void *devid; cpumask_var_t affinity_mask; diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 6a9c8878aca0..d24ee1ad3be1 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1737,7 +1737,7 @@ static int enic_request_intr(struct enic *enic) intr = enic_msix_rq_intr(enic, i); snprintf(enic->msix[intr].devname, sizeof(enic->msix[intr].devname), - "%.11s-rx-%u", netdev->name, i); + "%s-rx-%u", netdev->name, i); enic->msix[intr].isr = enic_isr_msix; enic->msix[intr].devid = &enic->napi[i]; } @@ -1748,7 +1748,7 @@ static int enic_request_intr(struct enic *enic) intr = enic_msix_wq_intr(enic, i); snprintf(enic->msix[intr].devname, sizeof(enic->msix[intr].devname), - "%.11s-tx-%u", netdev->name, i); + "%s-tx-%u", netdev->name, i); enic->msix[intr].isr = enic_isr_msix; enic->msix[intr].devid = &enic->napi[wq]; } @@ -1756,14 +1756,14 @@ static int enic_request_intr(struct enic *enic) intr = enic_msix_err_intr(enic); snprintf(enic->msix[intr].devname, sizeof(enic->msix[intr].devname), - "%.11s-err", netdev->name); + "%s-err", netdev->name); enic->msix[intr].isr = enic_isr_msix_err; enic->msix[intr].devid = enic; intr = enic_msix_notify_intr(enic); snprintf(enic->msix[intr].devname, sizeof(enic->msix[intr].devname), - "%.11s-notify", netdev->name); + "%s-notify", netdev->name); enic->msix[intr].isr = enic_isr_msix_notify; enic->msix[intr].devid = enic; -- cgit v1.2.3-59-g8ed1b