Otherwise, mkfs.f2fs may persist truncated path of main device.
- mkfs.f2fs /mnt/f2fs/0123456789012345678901234567890123456789012345678901234 \
-c /mnt/f2fs/012345678901234567890123456789012345678901234567890123 -f
- mount /mnt/f2fs/0123456789012345678901234567890123456789012345678901234
/mnt/f2fs/loop
F2FS-fs (loop0): Mount Device [ 0]:
/mnt/f2fs/012345678901234567890123456789012345678901234567890123, 511,
0 - 3ffff
F2FS-fs (loop0): Failed to find devices
Signed-off-by: Chao Yu <c...@kernel.org>
---
mkfs/f2fs_format_main.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/mkfs/f2fs_format_main.c b/mkfs/f2fs_format_main.c
index 3a8fde0..f0bec4f 100644
--- a/mkfs/f2fs_format_main.c
+++ b/mkfs/f2fs_format_main.c
@@ -384,6 +384,12 @@ static void f2fs_parse_options(int argc, char *argv[])
mkfs_usage();
}
+ if (c.ndevs > 1 && strlen(argv[optind]) > MAX_PATH_LEN) {
+ MSG(0, "Error: main device path %s should be equal or "
+ "less than %d characters\n",
+ argv[optind], MAX_PATH_LEN);
+ mkfs_usage();
+ }
/* [0] : META, [1 to MAX_DEVICES - 1] : NODE/DATA */
c.devices[0].path = strdup(argv[optind]);
--
2.49.0
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