[dpdk-dev] [PATCH v2] igb_uio: use macros for array size calculation
Ferruh Yigit
ferruh.yigit at intel.com
Fri Mar 4 12:21:16 CET 2016
Minor code cleanup.
Remove array size calculations and remove unnecessary assignment.
Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
index 3374e44..a3ad912 100644
--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -58,7 +58,7 @@ struct rte_uio_pci_dev {
enum rte_intr_mode mode;
};
-static char *intr_mode = NULL;
+static char *intr_mode;
static enum rte_intr_mode igbuio_intr_mode_preferred = RTE_INTR_MODE_MSIX;
/* sriov sysfs */
@@ -332,7 +332,7 @@ igbuio_pci_setup_iomem(struct pci_dev *dev, struct uio_info *info,
unsigned long addr, len;
void *internal_addr;
- if (sizeof(info->mem) / sizeof(info->mem[0]) <= n)
+ if (n >= ARRAY_SIZE(info->mem))
return -EINVAL;
addr = pci_resource_start(dev, pci_bar);
@@ -357,7 +357,7 @@ igbuio_pci_setup_ioport(struct pci_dev *dev, struct uio_info *info,
{
unsigned long addr, len;
- if (sizeof(info->port) / sizeof(info->port[0]) <= n)
+ if (n >= ARRAY_SIZE(info->port))
return -EINVAL;
addr = pci_resource_start(dev, pci_bar);
@@ -402,7 +402,7 @@ igbuio_setup_bars(struct pci_dev *dev, struct uio_info *info)
iom = 0;
iop = 0;
- for (i = 0; i != sizeof(bar_names) / sizeof(bar_names[0]); i++) {
+ for (i = 0; i < ARRAY_SIZE(bar_names); i++) {
if (pci_resource_len(dev, i) != 0 &&
pci_resource_start(dev, i) != 0) {
flags = pci_resource_flags(dev, i);
--
2.5.0
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