[PATCH 7/9] xfsdump: free allocated persistent paths

[Eric Sandeen]

"perspath" gets allocated by open_pathalloc, and haphazardly
freed at best; almost never on errors, often not on success.

While we're in there, fix a few leaked fd's as well.

Signed-off-by: Eric Sandeen <sandeen at redhat.com>
---
 restore/content.c |    2 ++
 restore/inomap.c  |   11 +++++++++++
 restore/tree.c    |    9 +++++++++
 3 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/restore/content.c b/restore/content.c
index cfcf94d..c99aed7 100644
--- a/restore/content.c
+++ b/restore/content.c
@@ -1342,6 +1342,7 @@ content_init( intgen_t argc, char *argv[ ], size64_t vmsz )
 		      "could not open/create persistent state file %s: %s\n"),
 		      perspath,
 		      strerror( errno ));
+		free(perspath);
 		return BOOL_FALSE;
 	}
 
@@ -1356,6 +1357,7 @@ content_init( intgen_t argc, char *argv[ ], size64_t vmsz )
 		      "could not map persistent state file hdr %s: %s\n"),
 		      perspath,
 		      strerror( errno ));
+		free(perspath);
 		return BOOL_FALSE;
 	}
 
diff --git a/restore/inomap.c b/restore/inomap.c
index 562492e..1976017 100644
--- a/restore/inomap.c
+++ b/restore/inomap.c
@@ -217,6 +217,7 @@ inomap_restore_pers( drive_t *drivep,
 		      "could not open %s: %s\n"),
 		      perspath,
 		      strerror( errno ));
+		free(perspath);
 		return RV_ERROR;
 	}
 
@@ -233,6 +234,8 @@ inomap_restore_pers( drive_t *drivep,
 		      "unable to map %s: %s\n"),
 		      perspath,
 		      strerror( errno ));
+		close(fd);
+		free(perspath);
 		return RV_ERROR;
 	}
 
@@ -363,6 +366,7 @@ inomap_sync_pers( char *hkdir )
 	perspath = open_pathalloc( hkdir, PERS_NAME, 0 );
 	pers_fd = open( perspath, O_RDWR );
 	if ( pers_fd < 0 ) {
+		free(perspath);
 		return BOOL_TRUE;
 	}
 
@@ -377,6 +381,8 @@ inomap_sync_pers( char *hkdir )
 		      "unable to map %s hdr: %s\n"),
 		      perspath,
 		      strerror( errno ));
+		close(pers_fd);
+		free(perspath);
 		return BOOL_FALSE;
 	}
 
@@ -398,9 +404,14 @@ inomap_sync_pers( char *hkdir )
 		      "unable to map %s: %s\n"),
 		      perspath,
 		      strerror( errno ));
+		close(pers_fd);
+		free(perspath);
 		return BOOL_FALSE;
 	}
 
+	close(pers_fd);
+	free(perspath);
+
 	/* correct the next pointers
 	 */
 	for ( hnkp = roothnkp
diff --git a/restore/tree.c b/restore/tree.c
index 21d3880..011fa44 100644
--- a/restore/tree.c
+++ b/restore/tree.c
@@ -420,6 +420,7 @@ tree_init( char *hkdir,
 		      "could not open %s: %s\n"),
 		      perspath,
 		      strerror( errno ));
+		free(perspath);
 		return BOOL_FALSE;
 	}
 
@@ -435,6 +436,7 @@ tree_init( char *hkdir,
 		      "unable to map %s: %s\n"),
 		      perspath,
 		      strerror( errno ));
+		free(perspath);
 		return BOOL_FALSE;
 	}
 
@@ -443,9 +445,12 @@ tree_init( char *hkdir,
 	 */
 	ok = hash_init( vmsz / HASHSZ_PERVM, dircnt, nondircnt, perspath );
 	if ( ! ok ) {
+		free(perspath);
 		return BOOL_FALSE;
 	}
 
+	free(perspath);
+
 	/* initialize the node abstraction. let it's use of backing store
 	 * begin immediately after the hash abstraction. give it the remainder
 	 * of vm.
@@ -595,6 +600,7 @@ tree_sync( char *hkdir,
 		      "could not open %s: %s\n"),
 		      perspath,
 		      strerror( errno ));
+		free(perspath);
 		return BOOL_FALSE;
 	}
 
@@ -610,6 +616,7 @@ tree_sync( char *hkdir,
 		      "unable to map %s: %s\n"),
 		      perspath,
 		      strerror( errno ));
+		free(perspath);
 		return BOOL_FALSE;
 	}
 
@@ -632,9 +639,11 @@ tree_sync( char *hkdir,
 	 */
 	ok = hash_sync( perspath );
 	if ( ! ok ) {
+		free(perspath);
 		return BOOL_FALSE;
 	}
 
+	free(perspath);
 	/* synchronize with the node abstraction.
 	 */
 	ASSERT( persp->p_hashsz <= ( size64_t )( OFF64MAX - ( off64_t )PERSSZ));
-- 
1.7.1