lib/fs: Fix format string in find_fs_mount()

A field width of 4096 allows fscanf() to store that amount of characters
into the given buffer, though that doesn't include the terminating NULL
byte. Decrease the value by one to leave space for it.

Signed-off-by: Phil Sutter <phil@nwl.cc>

diff --git a/lib/fs.c b/lib/fs.c
index c59ac564581d0ba9157867d0b5c57ecf1846ec45..1ff881ecfcd8c5edb022fdf1e9d48bdef176bbbd 100644 (file)
--- a/lib/fs.c
+++ b/lib/fs.c
@@ -45,7 +45,7 @@ static char *find_fs_mount(const char *fs_to_find)
                return NULL;
        }
 
-       while (fscanf(fp, "%*s %4096s %127s %*s %*d %*d\n",
+       while (fscanf(fp, "%*s %4095s %127s %*s %*d %*d\n",
                      path, fstype) == 2) {
                if (strcmp(fstype, fs_to_find) == 0) {
                        mnt = strdup(path);