diff options
Diffstat (limited to 'src/basic/blockdev-util.c')
| -rw-r--r-- | src/basic/blockdev-util.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/src/basic/blockdev-util.c b/src/basic/blockdev-util.c index 42b311eccd..3017ecd55d 100644 --- a/src/basic/blockdev-util.c +++ b/src/basic/blockdev-util.c @@ -10,12 +10,13 @@ #include "fd-util.h" #include "fileio.h" #include "missing.h" +#include "parse-util.h" #include "stat-util.h" int block_get_whole_disk(dev_t d, dev_t *ret) { char p[SYS_BLOCK_PATH_MAX("/partition")]; _cleanup_free_ char *s = NULL; - unsigned n, m; + dev_t devt; int r; assert(ret); @@ -38,16 +39,16 @@ int block_get_whole_disk(dev_t d, dev_t *ret) { if (r < 0) return r; - r = sscanf(s, "%u:%u", &m, &n); - if (r != 2) - return -EINVAL; + r = parse_dev(s, &devt); + if (r < 0) + return r; /* Only return this if it is really good enough for us. */ - xsprintf_sys_block_path(p, "/queue", makedev(m, n)); + xsprintf_sys_block_path(p, "/queue", devt); if (access(p, F_OK) < 0) return -ENOENT; - *ret = makedev(m, n); + *ret = devt; return 0; } @@ -85,8 +86,8 @@ int block_get_originating(dev_t dt, dev_t *ret) { _cleanup_free_ char *t = NULL; char p[SYS_BLOCK_PATH_MAX("/slaves")]; struct dirent *de, *found = NULL; - unsigned maj, min; const char *q; + dev_t devt; int r; /* For the specified block device tries to chase it through the layers, in case LUKS-style DM stacking is used, @@ -148,13 +149,14 @@ int block_get_originating(dev_t dt, dev_t *ret) { if (r < 0) return r; - if (sscanf(t, "%u:%u", &maj, &min) != 2) + r = parse_dev(t, &devt); + if (r < 0) return -EINVAL; - if (maj == 0) + if (major(devt) == 0) return -ENOENT; - *ret = makedev(maj, min); + *ret = devt; return 1; } |