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Diffstat (limited to 'src/gpt-auto-generator/gpt-auto-generator.c')
-rw-r--r--src/gpt-auto-generator/gpt-auto-generator.c37
1 files changed, 16 insertions, 21 deletions
diff --git a/src/gpt-auto-generator/gpt-auto-generator.c b/src/gpt-auto-generator/gpt-auto-generator.c
index d2b4213af2..55fd6d6a7d 100644
--- a/src/gpt-auto-generator/gpt-auto-generator.c
+++ b/src/gpt-auto-generator/gpt-auto-generator.c
@@ -48,6 +48,9 @@
*
*/
+#define GPT_SWAP SD_ID128_MAKE(06,57,fd,6d,a4,ab,43,c4,84,e5,09,33,c8,4b,4f,4f)
+#define GPT_HOME SD_ID128_MAKE(93,3a,c7,e1,2e,b4,4f,13,b8,44,0e,14,e2,ae,f9,15)
+
static const char *arg_dest = "/tmp";
static inline void blkid_free_probep(blkid_probe *b) {
@@ -113,13 +116,13 @@ static int verify_gpt_partition(const char *node, sd_id128_t *type, unsigned *nr
if (fstype) {
- char *fst;
-
errno = 0;
r = blkid_probe_lookup_value(b, "TYPE", &v, NULL);
if (r != 0)
*fstype = NULL;
else {
+ char *fst;
+
fst = strdup(v);
if (!fst)
return -ENOMEM;
@@ -242,10 +245,8 @@ static int enumerate_partitions(struct udev *udev, dev_t dev) {
int r;
e = udev_enumerate_new(udev);
- if (!e) {
- r = log_oom();
- goto finish;
- }
+ if (!e)
+ return log_oom();
d = udev_device_new_from_devnum(udev, 'b', dev);
if (!d) {
@@ -314,10 +315,9 @@ static int enumerate_partitions(struct udev *udev, dev_t dev) {
if (r == 0)
goto skip;
- if (sd_id128_equal(type_id, SD_ID128_MAKE(06,57,fd,6d,a4,ab,43,c4,84,e5,09,33,c8,4b,4f,4f)))
+ if (sd_id128_equal(type_id, GPT_SWAP))
add_swap(node, fstype);
- else if (sd_id128_equal(type_id, SD_ID128_MAKE(93,3a,c7,e1,2e,b4,4f,13,b8,44,0e,14,e2,ae,f9,15))) {
-
+ else if (sd_id128_equal(type_id, GPT_HOME)) {
if (!home || nr < home_nr) {
free(home);
home = strdup(node);
@@ -353,7 +353,7 @@ finish:
}
static int get_btrfs_block_device(const char *path, dev_t *dev) {
- struct btrfs_ioctl_fs_info_args fsi;
+ struct btrfs_ioctl_fs_info_args fsi = {};
_cleanup_close_ int fd = -1;
uint64_t id;
@@ -364,7 +364,6 @@ static int get_btrfs_block_device(const char *path, dev_t *dev) {
if (fd < 0)
return -errno;
- zero(fsi);
if (ioctl(fd, BTRFS_IOC_FS_INFO, &fsi) < 0)
return -errno;
@@ -373,12 +372,11 @@ static int get_btrfs_block_device(const char *path, dev_t *dev) {
return 0;
for (id = 1; id <= fsi.max_id; id++) {
- struct btrfs_ioctl_dev_info_args di;
+ struct btrfs_ioctl_dev_info_args di = {
+ .devid = id,
+ };
struct stat st;
- zero(di);
- di.devid = id;
-
if (ioctl(fd, BTRFS_IOC_DEV_INFO, &di) < 0) {
if (errno == ENODEV)
continue;
@@ -433,10 +431,8 @@ static int devno_to_devnode(struct udev *udev, dev_t devno, char **ret) {
int r;
d = udev_device_new_from_devnum(udev, 'b', devno);
- if (!d) {
- r = log_oom();
- goto finish;
- }
+ if (!d)
+ return log_oom();
t = udev_device_get_devnode(d);
if (!t) {
@@ -454,8 +450,7 @@ static int devno_to_devnode(struct udev *udev, dev_t devno, char **ret) {
r = 0;
finish:
- if (d)
- udev_device_unref(d);
+ udev_device_unref(d);
return r;
}