When exec btrfs-debug-tree as non-root user, we get a segment fault. Because the btrfs_scan_block_devices return a success 0 when we fail to open a device. Now we just return the errno if this case happens.
Signed-off-by: Gui Hecheng <[email protected]> --- utils.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/utils.c b/utils.c index 97e23d5..1878abc 100644 --- a/utils.c +++ b/utils.c @@ -1517,7 +1517,8 @@ scan_again: scans++; goto scan_again; } - return 0; + + return errno ? -errno : 0; } u64 parse_size(char *s) -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
