mount: if we race with other loop mount, we forget to close loop dev

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/libbb/loop.c b/libbb/loop.c
index 153990998..cb8fa2442 100644
--- a/libbb/loop.c
+++ b/libbb/loop.c
@@ -187,7 +187,7 @@ int FAST_FUNC set_loop(char **device, const char *file, unsigned long long offse
 //TODO: add "if (--failcount != 0) ..."?
                                         goto get_free_loopN;
                                 }
-                                goto try_next_loopN;
+                                goto close_and_try_next_loopN;
                         }
                         memset(&loopinfo, 0, sizeof(loopinfo));
                         safe_strncpy((char *)loopinfo.lo_file_name, file, LO_NAME_SIZE);
@@ -220,6 +220,7 @@ int FAST_FUNC set_loop(char **device, const char *file, unsigned long long offse
                         ioctl(lfd, LOOP_CLR_FD, 0); // actually, 0 param is unnecessary
                 }
                 /* else: device is not free (rc == 0) or error other than ENXIO */
+ close_and_try_next_loopN:
                 close(lfd);
  try_next_loopN:
                 rc = -1;