diff options
Diffstat (limited to 'src/udev/udev-builtin-net_id.c')
| -rw-r--r-- | src/udev/udev-builtin-net_id.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c index 78aef206b2..448920507a 100644 --- a/src/udev/udev-builtin-net_id.c +++ b/src/udev/udev-builtin-net_id.c @@ -91,6 +91,7 @@ #include <stdlib.h> #include <stdarg.h> #include <unistd.h> +#include <fcntl.h> #include <string.h> #include <errno.h> #include <net/if.h> @@ -166,15 +167,15 @@ static int dev_pci_onboard(struct udev_device *dev, struct netnames *names) { /* read the 256 bytes PCI configuration space to check the multi-function bit */ static bool is_pci_multifunction(struct udev_device *dev) { - _cleanup_fclose_ FILE *f = NULL; + _cleanup_close_ int fd = -1; const char *filename; uint8_t config[64]; filename = strjoina(udev_device_get_syspath(dev), "/config"); - f = fopen(filename, "re"); - if (!f) + fd = open(filename, O_RDONLY | O_CLOEXEC); + if (fd < 0) return false; - if (fread(&config, sizeof(config), 1, f) != 1) + if (read(fd, &config, sizeof(config)) != sizeof(config)) return false; /* bit 0-6 header type, bit 7 multi/single function device */ |