eal: do not panic on PCI failures

[dpdk.git] / lib / librte_eal / common / eal_common_pci.c

diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
index 72547bd..d45b7d3 100644 (file)
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -69,6 +69,7 @@
 #include <sys/queue.h>
 #include <sys/mman.h>
 
+#include <rte_errno.h>
 #include <rte_interrupts.h>
 #include <rte_log.h>
 #include <rte_pci.h>
@@ -414,6 +415,7 @@ int
 rte_eal_pci_probe(void)
 {
        struct rte_pci_device *dev = NULL;
+       size_t probed = 0, failed = 0;
        struct rte_devargs *devargs;
        int probe_all = 0;
        int ret = 0;
@@ -422,6 +424,7 @@ rte_eal_pci_probe(void)
                probe_all = 1;
 
        TAILQ_FOREACH(dev, &pci_device_list, next) {
+               probed++;
 
                /* set devargs in PCI structure */
                devargs = pci_devargs_lookup(dev);
@@ -434,13 +437,16 @@ rte_eal_pci_probe(void)
                else if (devargs != NULL &&
                        devargs->type == RTE_DEVTYPE_WHITELISTED_PCI)
                        ret = pci_probe_all_drivers(dev);
-               if (ret < 0)
-                       rte_exit(EXIT_FAILURE, "Requested device " PCI_PRI_FMT
+               if (ret < 0) {
+                       RTE_LOG(ERR, EAL, "Requested device " PCI_PRI_FMT
                                 " cannot be used\n", dev->addr.domain, dev->addr.bus,
                                 dev->addr.devid, dev->addr.function);
+                       rte_errno = errno;
+                       failed++;
+               }
        }
 
-       return 0;
+       return (probed && probed == failed) ? -1 : 0;
 }
 
 /* dump one device */