[PATCH mtd-utils] fs-tests: integck: Allow checking root

[Csókás, Bence]

Trailing slash removal creates an empty string
from '/', making it impossible to check the
root filesystem.

Signed-off-by: Csókás, Bence <csokas.bence at prolan.hu>
---
 tests/fs-tests/integrity/integck.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tests/fs-tests/integrity/integck.c b/tests/fs-tests/integrity/integck.c
index 0a7f142..b7cedc2 100644
--- a/tests/fs-tests/integrity/integck.c
+++ b/tests/fs-tests/integrity/integck.c
@@ -2946,9 +2946,11 @@ static void get_tested_fs_info(void)
 	/* Remove trailing '/' symbols from the mount point */
 	p = dup_string(args.mount_point);
 	fsinfo.mount_point = p;
-	p += strlen(p);
-	while (*--p == '/');
-	*(p + 1) = '\0';
+	if (strlen(p) > 1) {
+		p += strlen(p);
+		while (*--p == '/');
+		*(p + 1) = '\0';
+	}
 
 	CHECK(statfs(fsinfo.mount_point, &fs_info) == 0);
 	fsinfo.max_name_len = fs_info.f_namelen;
-- 
2.34.1