[dpdk-dev] pci: make rte_pci_probe void
Commit Message
Since rte_pci_probe always returns 0 or exits via rte_exit()
there is no point in having it return a value.
Just make it void
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
lib/librte_eal/bsdapp/eal/eal.c | 3 +--
lib/librte_eal/common/eal_common_pci.c | 9 +++------
lib/librte_eal/common/include/rte_pci.h | 6 +-----
lib/librte_eal/linuxapp/eal/eal.c | 3 +--
4 files changed, 6 insertions(+), 15 deletions(-)
Comments
2015-04-14 10:55, Stephen Hemminger:
> Since rte_pci_probe always returns 0 or exits via rte_exit()
> there is no point in having it return a value.
>
> Just make it void
>
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Seems partially superseded by this patch:
http://dpdk.org/dev/patchwork/patch/4347/
On Mon, 20 Apr 2015 15:15:36 +0200
Thomas Monjalon <thomas.monjalon@6wind.com> wrote:
> 2015-04-14 10:55, Stephen Hemminger:
> > Since rte_pci_probe always returns 0 or exits via rte_exit()
> > there is no point in having it return a value.
> >
> > Just make it void
> >
> > Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
>
> Seems partially superseded by this patch:
> http://dpdk.org/dev/patchwork/patch/4347/
>
The patch could be redone, but it would break ABI for no good
reason. Just drop it.
@@ -551,8 +551,7 @@ rte_eal_init(int argc, char **argv)
rte_eal_mp_wait_lcore();
/* Probe & Initialize PCI devices */
- if (rte_eal_pci_probe())
- rte_panic("Cannot probe PCI\n");
+ rte_eal_pci_probe();
return fctret;
}
@@ -223,13 +223,13 @@ err_return:
* all registered drivers that have a matching entry in its id_table
* for discovered devices.
*/
-int
+void
rte_eal_pci_probe(void)
{
struct rte_pci_device *dev = NULL;
struct rte_devargs *devargs;
int probe_all = 0;
- int ret = 0;
+ int ret;
if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) == 0)
probe_all = 1;
@@ -252,12 +252,10 @@ rte_eal_pci_probe(void)
" cannot be used\n", dev->addr.domain, dev->addr.bus,
dev->addr.devid, dev->addr.function);
}
-
- return 0;
}
/* dump one device */
-static int
+static void
pci_dump_one_device(FILE *f, struct rte_pci_device *dev)
{
int i;
@@ -273,7 +271,6 @@ pci_dump_one_device(FILE *f, struct rte_pci_device *dev)
dev->mem_resource[i].phys_addr,
dev->mem_resource[i].len);
}
- return 0;
}
/* dump devices on the bus */
@@ -327,12 +327,8 @@ int rte_eal_pci_scan(void);
* Scan the content of the PCI bus, and call the probe() function for
* all registered drivers that have a matching entry in its id_table
* for discovered devices.
- *
- * @return
- * - 0 on success.
- * - Negative on error.
*/
-int rte_eal_pci_probe(void);
+void rte_eal_pci_probe(void);
#ifdef RTE_LIBRTE_EAL_HOTPLUG
/**
@@ -842,8 +842,7 @@ rte_eal_init(int argc, char **argv)
rte_eal_mp_wait_lcore();
/* Probe & Initialize PCI devices */
- if (rte_eal_pci_probe())
- rte_panic("Cannot probe PCI\n");
+ rte_eal_pci_probe();
return fctret;
}