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 <gvara...@cisco.com>
---
v2: dont use kasprintf, increase the devname size
http://patchwork.ozlabs.org/patch/777568/
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;
--
2.13.1
