diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-06-23 11:53:03 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-06-23 11:53:03 +0200 |
commit | 009b9fc98ddd83f9139fdabb12c0d7a8535d5421 (patch) | |
tree | f7d3e182407d2ebe50a9b8db6361ac910027a1cf /init/do_mounts.c | |
parent | 3711ccb07b7f0a13f4f1aa16a8fdca9c930f21ca (diff) | |
parent | 481c5346d0981940ee63037eb53e4e37b0735c10 (diff) |
Merge branch 'linus' into x86/threadinfotip-x86-threadinfo-2008-06-23_09.53_Mon
Diffstat (limited to 'init/do_mounts.c')
-rw-r--r-- | init/do_mounts.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/init/do_mounts.c b/init/do_mounts.c index 3885e70e7759..660c1e50c91b 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -76,6 +76,7 @@ dev_t name_to_dev_t(char *name) char s[32]; char *p; dev_t res = 0; + int part; if (strncmp(name, "/dev/", 5) != 0) { unsigned maj, min; @@ -106,7 +107,31 @@ dev_t name_to_dev_t(char *name) for (p = s; *p; p++) if (*p == '/') *p = '!'; - res = blk_lookup_devt(s); + res = blk_lookup_devt(s, 0); + if (res) + goto done; + + /* + * try non-existant, but valid partition, which may only exist + * after revalidating the disk, like partitioned md devices + */ + while (p > s && isdigit(p[-1])) + p--; + if (p == s || !*p || *p == '0') + goto fail; + + /* try disk name without <part number> */ + part = simple_strtoul(p, NULL, 10); + *p = '\0'; + res = blk_lookup_devt(s, part); + if (res) + goto done; + + /* try disk name without p<part number> */ + if (p < s + 2 || !isdigit(p[-2]) || p[-1] != 'p') + goto fail; + p[-1] = '\0'; + res = blk_lookup_devt(s, part); if (res) goto done; |