Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=fd8d926fc52badc93f7985... Commit: fd8d926fc52badc93f7985b5db2f4cb6a75e81e4 Parent: ce202c3b1c018a001015fa2ff69a01f06d84a6fa Author: Zdenek Kabelac zkabelac@redhat.com AuthorDate: Fri Aug 28 18:46:06 2020 +0200 Committer: Zdenek Kabelac zkabelac@redhat.com CommitterDate: Fri Aug 28 21:43:02 2020 +0200
gcc: avoid stack alloc arithmetic
--- tools/lvconvert.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/tools/lvconvert.c b/tools/lvconvert.c index 524ed5a33..afc581377 100644 --- a/tools/lvconvert.c +++ b/tools/lvconvert.c @@ -1161,6 +1161,8 @@ static int _lvconvert_validate_thin(struct logical_volume *lv, static int _raid_split_image_conversion(struct logical_volume *lv) { const char *s; + char raidlv_name[NAME_LEN]; + const struct logical_volume *tmp_lv;
if (lv_is_raid_with_tracking(lv)) { log_error("Conversion of tracking raid1 LV %s is not supported.", @@ -1170,12 +1172,7 @@ static int _raid_split_image_conversion(struct logical_volume *lv)
if (lv_is_raid_image(lv) && (s = strstr(lv->name, "_rimage_"))) { - size_t len = s - lv->name; - char raidlv_name[len + 1]; - const struct logical_volume *tmp_lv; - - strncpy(raidlv_name, lv->name, len); - raidlv_name[len] = '\0'; + (void) dm_strncpy(raidlv_name, lv->name, s - lv->name);
if (!(tmp_lv = find_lv(lv->vg, raidlv_name))) { log_error(INTERNAL_ERROR "Failed to find RaidLV of RAID subvolume %s.",
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