diff options
| author |   Benoît Ganne <bganne@cisco.com> | 2022-12-19 18:23:03 +0100 |
|---|---|---|
| committer |   Dave Wallace <dwallacelf@gmail.com> | 2023-01-18 00:38:09 +0000 |
| commit | cc16e7bad74c18b1a682329af5e760c4cd8381ea (patch) | |
| tree | 7fc9602778155e7b851119a53833c112bf50d4e5 /src | |
| parent | a35f56663fe6dde5da13fd52fa50a28080f6dd2f (diff) | |
pci: fix musl crash
The musl libc does not support closedir(0) resulting in a crash. Only
call closedir() if we successfully opened it.
Type: fix
Change-Id: I3198454f44735501047afc42b94b2fea273212f4
Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/vlib/linux/pci.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/vlib/linux/pci.c b/src/vlib/linux/pci.c index 83e9dde2f16..75d9edf8849 100644 --- a/src/vlib/linux/pci.c +++ b/src/vlib/linux/pci.c @@ -486,7 +486,7 @@ vlib_pci_bind_to_uio (vlib_main_t *vm, vlib_pci_addr_t *addr, "is bound to IOMMU group and " "vfio-pci driver is not loaded", format_vlib_pci_addr, addr); - goto done; + goto err0; } else uio_drv_name = "vfio-pci"; @@ -507,7 +507,7 @@ vlib_pci_bind_to_uio (vlib_main_t *vm, vlib_pci_addr_t *addr, error = clib_error_return (0, "Skipping PCI device %U: missing " "kernel VFIO or UIO driver", format_vlib_pci_addr, addr); - goto done; + goto err0; } clib_error_free (error); } @@ -521,7 +521,7 @@ vlib_pci_bind_to_uio (vlib_main_t *vm, vlib_pci_addr_t *addr, ((strcmp ("vfio-pci", (char *) driver_name) == 0) || (strcmp ("uio_pci_generic", (char *) driver_name) == 0) || (strcmp ("igb_uio", (char *) driver_name) == 0))) - goto done; + goto err0; if (!force) { @@ -536,14 +536,14 @@ vlib_pci_bind_to_uio (vlib_main_t *vm, vlib_pci_addr_t *addr, "Skipping PCI device %U: failed to " "read /sys/class/net", format_vlib_pci_addr, addr); - goto done; + goto err0; } fd = socket (PF_INET, SOCK_DGRAM, 0); if (fd < 0) { error = clib_error_return_unix (0, "socket"); - goto done; + goto err1; } while ((e = readdir (dir))) @@ -580,7 +580,7 @@ vlib_pci_bind_to_uio (vlib_main_t *vm, vlib_pci_addr_t *addr, error = clib_error_return_unix (0, "ioctl fetch intf %s flags", e->d_name); close (fd); - goto done; + goto err1; } if (ifr.ifr_flags & IFF_UP) @@ -590,7 +590,7 @@ vlib_pci_bind_to_uio (vlib_main_t *vm, vlib_pci_addr_t *addr, "interface %s is up", format_vlib_pci_addr, addr, e->d_name); close (fd); - goto done; + goto err1; } } @@ -628,8 +628,9 @@ vlib_pci_bind_to_uio (vlib_main_t *vm, vlib_pci_addr_t *addr, vec_reset_length (s); } -done: +err1: closedir (dir); +err0: vec_free (s); vec_free (dev_dir_name); vec_free (driver_name); |