PawletOS/external_libudev-zero
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check NULL before open devnode

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This commit is contained in:
illiliti
2020-07-31 00:12:50 +03:00
parent a0528c5585
commit 37fe740623
1 changed files with 8 additions and 3 deletions
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11
udev_device.c
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@@ -352,7 +352,7 @@ static int test_bit(unsigned long int arr[], int bit)
static void udev_device_set_properties_from_ioctl(struct udev_device *udev_device)
{
unsigned long int bits[96], key_bits[96], rel_bits[96], abs_bits[96];
const char *subsystem;
const char *devnode, *subsystem;
int fd;
subsystem = udev_device_get_subsystem(udev_device);
@@ -361,9 +361,13 @@ static void udev_device_set_properties_from_ioctl(struct udev_device *udev_devic
return;
}
udev_list_entry_add(&udev_device->properties, "ID_INPUT", "1", 0);
devnode = udev_device_get_devnode(udev_device);
fd = open(udev_device_get_devnode(udev_device), O_RDONLY);
if (!devnode) {
return;
}
fd = open(devnode, O_RDONLY);
if (fd == -1) {
return;
@@ -405,6 +409,7 @@ static void udev_device_set_properties_from_ioctl(struct udev_device *udev_devic
}
}
udev_list_entry_add(&udev_device->properties, "ID_INPUT", "1", 0);
close(fd);
}