From: Stefan Weil <w...@mail.berlios.de> cppcheck reported memory leaks and mismatched g_malloc() with free() instead of g_free().
Fix these errors. Cc: Kevin Wolf <kw...@redhat.com> Signed-off-by: Stefan Weil <w...@mail.berlios.de> Signed-off-by: Kevin Wolf <kw...@redhat.com> --- block/vvfat.c | 51 ++++++++++++++++++++++++++++++--------------------- 1 files changed, 30 insertions(+), 21 deletions(-) diff --git a/block/vvfat.c b/block/vvfat.c index f567c9a..f45939d 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -86,8 +86,7 @@ static inline void array_init(array_t* array,unsigned int item_size) static inline void array_free(array_t* array) { - if(array->pointer) - free(array->pointer); + g_free(array->pointer); array->size=array->next=0; } @@ -169,7 +168,7 @@ static inline int array_roll(array_t* array,int index_to,int index_from,int coun memcpy(to,buf,is*count); - free(buf); + g_free(buf); return 0; } @@ -732,7 +731,7 @@ static int read_directory(BDRVVVFATState* s, int mapping_index) snprintf(buffer,length,"%s/%s",dirname,entry->d_name); if(stat(buffer,&st)<0) { - free(buffer); + g_free(buffer); continue; } @@ -755,7 +754,7 @@ static int read_directory(BDRVVVFATState* s, int mapping_index) direntry->begin=0; /* do that later */ if (st.st_size > 0x7fffffff) { fprintf(stderr, "File %s is larger than 2GB\n", buffer); - free(buffer); + g_free(buffer); closedir(dir); return -2; } @@ -1375,7 +1374,7 @@ DLOG(fprintf(stderr, "clear_commits (%d commits)\n", s->commits.next)); assert(commit->path || commit->action == ACTION_WRITEOUT); if (commit->action != ACTION_WRITEOUT) { assert(commit->path); - free(commit->path); + g_free(commit->path); } else assert(commit->path == NULL); } @@ -1782,7 +1781,7 @@ DLOG(fprintf(stderr, "read cluster %d (sector %d)\n", (int)cluster_num, (int)clu if (subret) { fprintf(stderr, "Error fetching direntries\n"); fail: - free(cluster); + g_free(cluster); return 0; } @@ -1850,7 +1849,7 @@ DLOG(fprintf(stderr, "check direntry %d:\n", i); print_direntry(direntries + i)) cluster_num = modified_fat_get(s, cluster_num); } while(!fat_eof(s, cluster_num)); - free(cluster); + g_free(cluster); return ret; } @@ -1995,8 +1994,9 @@ static int remove_mapping(BDRVVVFATState* s, int mapping_index) mapping_t* first_mapping = array_get(&(s->mapping), 0); /* free mapping */ - if (mapping->first_mapping_index < 0) - free(mapping->path); + if (mapping->first_mapping_index < 0) { + g_free(mapping->path); + } /* remove from s->mapping */ array_remove(&(s->mapping), mapping_index); @@ -2232,11 +2232,15 @@ static int commit_one_file(BDRVVVFATState* s, if (fd < 0) { fprintf(stderr, "Could not open %s... (%s, %d)\n", mapping->path, strerror(errno), errno); + g_free(cluster); return fd; } - if (offset > 0) - if (lseek(fd, offset, SEEK_SET) != offset) - return -3; + if (offset > 0) { + if (lseek(fd, offset, SEEK_SET) != offset) { + g_free(cluster); + return -3; + } + } while (offset < size) { uint32_t c1; @@ -2252,11 +2256,15 @@ static int commit_one_file(BDRVVVFATState* s, ret = vvfat_read(s->bs, cluster2sector(s, c), (uint8_t*)cluster, (rest_size + 0x1ff) / 0x200); - if (ret < 0) - return ret; + if (ret < 0) { + g_free(cluster); + return ret; + } - if (write(fd, cluster, rest_size) < 0) - return -2; + if (write(fd, cluster, rest_size) < 0) { + g_free(cluster); + return -2; + } offset += rest_size; c = c1; @@ -2265,9 +2273,11 @@ static int commit_one_file(BDRVVVFATState* s, if (ftruncate(fd, size)) { perror("ftruncate()"); close(fd); + g_free(cluster); return -4; } close(fd); + g_free(cluster); return commit_mappings(s, first_cluster, dir_index); } @@ -2399,7 +2409,7 @@ static int handle_renames_and_mkdirs(BDRVVVFATState* s) } } - free(old_path); + g_free(old_path); array_remove(&(s->commits), i); continue; } else if (commit->action == ACTION_MKDIR) { @@ -2775,7 +2785,7 @@ static int write_target_commit(BlockDriverState *bs, int64_t sector_num, static void write_target_close(BlockDriverState *bs) { BDRVVVFATState* s = *((BDRVVVFATState**) bs->opaque); bdrv_delete(s->qcow); - free(s->qcow_filename); + g_free(s->qcow_filename); } static BlockDriver vvfat_write_target = { @@ -2836,8 +2846,7 @@ static void vvfat_close(BlockDriverState *bs) array_free(&(s->fat)); array_free(&(s->directory)); array_free(&(s->mapping)); - if(s->cluster_buffer) - free(s->cluster_buffer); + g_free(s->cluster_buffer); } static BlockDriver bdrv_vvfat = { -- 1.7.6.4