diff options
| author | Jeremy Compostella <jeremy.compostella@intel.com> | 2016-05-02 17:29:28 +0200 |
|---|---|---|
| committer | Amit Pundir <amit.pundir@linaro.org> | 2017-12-18 21:11:22 +0530 |
| commit | 052d02c07cbe70ddbd6da4b001c220d7e597286a (patch) | |
| tree | 73605660cb3be0e4d20098ad100e07b6d03fe6d2 /init | |
| parent | 398884b9e1d8208ac8bb89ec8eaa23e84b4cbda9 (diff) | |
ANDROID: dm: do_mounts_dm: fix dm_substitute_devices()
When candidate is the last parameter, candidate_end points to the '\0'
character and not the DM_FIELD_SEP character. In such a situation, we
should not move the candidate_end pointer one character backward.
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Diffstat (limited to 'init')
| -rw-r--r-- | init/do_mounts_dm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/init/do_mounts_dm.c b/init/do_mounts_dm.c index 0fe9c5f7d5e9..a557c5ee00a7 100644 --- a/init/do_mounts_dm.c +++ b/init/do_mounts_dm.c @@ -176,7 +176,8 @@ static void __init dm_substitute_devices(char *str, size_t str_len) continue; /* Temporarily terminate with a nul */ - candidate_end--; + if (*candidate_end) + candidate_end--; old_char = *candidate_end; *candidate_end = '\0'; |