libfstools: fix find_mount to return device path

So far we were returning mount point which doesn't make sense for a
function that already takes mount point as an argument.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

diff --git a/libfstools/find.c b/libfstools/find.c
index b50b63346142fb1143b76102d8398306ee23ecce..4c69d735d7af18d908d11ccbf520c02d7d0d9402 100644 (file)
--- a/libfstools/find.c
+++ b/libfstools/find.c
@@ -36,6 +36,9 @@ find_overlay_mount(char *overlay)
        return ret;
 }
 
+/*
+ * Find path of a device mounted to the given point.
+ */
 char*
 find_mount(char *mp)
 {
@@ -53,6 +56,7 @@ find_mount(char *mp)
                        fclose(fp);
                        return NULL;
                }
+               *t = '\0';
                t++;
                s = strstr(t, " ");
                if (!s) {
@@ -63,7 +67,7 @@ find_mount(char *mp)
 
                if (!strcmp(t, mp)) {
                        fclose(fp);
-                       return t;
+                       return line;
                }
        }