Mainly plugging memory leaks. Size reduction as well. The calloc change accounts for 272 bytes on this machine for some reason...
Signed-off-by: Rosen Penev <ros...@gmail.com> --- block.c | 6 +++--- blockd.c | 3 +++ libfstools/overlay.c | 2 +- libfstools/rootdisk.c | 7 ++++--- libfstools/snapshot.c | 11 +++++++---- libfstools/ubi.c | 13 +++++++------ libubi/libubi.c | 4 ++-- libubi/ubiutils-common.c | 2 +- 8 files changed, 28 insertions(+), 20 deletions(-) diff --git a/block.c b/block.c index ab130b9..6117701 100644 --- a/block.c +++ b/block.c @@ -316,8 +316,7 @@ static int swap_add(struct uci_section *s) if (!tb[SWAP_UUID] && !tb[SWAP_LABEL] && !tb[SWAP_DEVICE]) return -1; - m = malloc(sizeof(struct mount)); - memset(m, 0, sizeof(struct mount)); + m = calloc(1, sizeof(struct mount)); m->type = TYPE_SWAP; m->uuid = blobmsg_get_strdup(tb[SWAP_UUID]); m->label = blobmsg_get_strdup(tb[SWAP_LABEL]); @@ -1084,7 +1083,7 @@ static int mount_device(struct probe_info *pr, int type) static int umount_device(struct probe_info *pr) { struct mount *m; - char *device = basename(pr->dev); + char *device; char *mp; int err; @@ -1098,6 +1097,7 @@ static int umount_device(struct probe_info *pr) if (!mp) return -1; + device = basename(pr->dev); m = find_block(pr->uuid, pr->label, device, NULL); if (m && m->extroot) return -1; diff --git a/blockd.c b/blockd.c index 3af5390..f7a4dec 100644 --- a/blockd.c +++ b/blockd.c @@ -115,6 +115,9 @@ device_free(struct device *device) char *target = NULL; char *path = NULL, _path[64], *mp; + if (!device) + return; + blobmsg_parse(mount_policy, __MOUNT_MAX, data, blob_data(device->msg), blob_len(device->msg)); diff --git a/libfstools/overlay.c b/libfstools/overlay.c index 7ada5ff..d7a55e6 100644 --- a/libfstools/overlay.c +++ b/libfstools/overlay.c @@ -284,7 +284,7 @@ enum fs_state fs_state_get(const char *dir) { char *path; char valstr[16]; - uint32_t val; + int val; ssize_t len; path = alloca(strlen(dir) + 1 + sizeof("/.fs_state")); diff --git a/libfstools/rootdisk.c b/libfstools/rootdisk.c index dd00c1b..2bb16d4 100644 --- a/libfstools/rootdisk.c +++ b/libfstools/rootdisk.c @@ -171,8 +171,10 @@ static int rootdisk_volume_identify(struct volume *v) fseeko(f, p->offset + 0x400, SEEK_SET); n = fread(&magic, sizeof(magic), 1, f); - if (n != 1) + if (n != 1) { + fclose(f); return -1; + } if (magic == cpu_to_le32(0xF2F52010)) ret = FS_F2FS; @@ -180,13 +182,12 @@ static int rootdisk_volume_identify(struct volume *v) magic = 0; fseeko(f, p->offset + 0x438, SEEK_SET); n = fread(&magic, sizeof(magic), 1, f); + fclose(f); if (n != 1) return -1; if ((le32_to_cpu(magic) & 0xffff) == 0xef53) ret = FS_EXT4; - fclose(f); - return ret; } diff --git a/libfstools/snapshot.c b/libfstools/snapshot.c index 4870cf7..58bed96 100644 --- a/libfstools/snapshot.c +++ b/libfstools/snapshot.c @@ -203,16 +203,19 @@ snapshot_read_file(struct volume *v, int block, char *file, uint32_t type) if (hdr.length < len) len = hdr.length; - if (volume_read(v, buffer, offset, len)) + if (volume_read(v, buffer, offset, len)) { + close(out); return -1; - if (write(out, buffer, len) != len) + } + + int w = write(out, buffer, len); + close(out); + if (w != len) return -1; offset += len; hdr.length -= len; } - close(out); - if (verify_file_hash(file, hdr.md5)) { ULOG_ERR("md5 verification failed\n"); unlink(file); diff --git a/libfstools/ubi.c b/libfstools/ubi.c index f9d6e0a..678b8bf 100644 --- a/libfstools/ubi.c +++ b/libfstools/ubi.c @@ -60,6 +60,7 @@ static char FILE *f; char fname[BUFLEN]; char buf[BUFLEN]; + char *s; int i; snprintf(fname, sizeof(fname), "%s/%s", dirname, filename); @@ -68,10 +69,10 @@ static char if (!f) return NULL; - if (fgets(buf, sizeof(buf), f) == NULL) - return NULL; - + s = fgets(buf, sizeof(buf), f); fclose(f); + if (s == NULL) + return NULL; /* make sure the string is \0 terminated */ buf[sizeof(buf) - 1] = '\0'; @@ -84,17 +85,17 @@ static char return strdup(buf); } -static unsigned int +static bool test_open(char *filename) { FILE *f; f = fopen(filename, "r"); if (!f) - return 0; + return false; fclose(f); - return 1; + return true; } static int ubi_volume_init(struct volume *v) diff --git a/libubi/libubi.c b/libubi/libubi.c index 3328ac8..3082a10 100644 --- a/libubi/libubi.c +++ b/libubi/libubi.c @@ -427,6 +427,7 @@ static int vol_node2nums(struct libubi *lib, const char *node, int *dev_num, return -1; } + close(fd); *dev_num = i; *vol_id = minor - 1; errno = 0; @@ -1021,9 +1022,8 @@ int ubi_mkvol(libubi_t desc, const char *node, struct ubi_mkvol_request *req) struct ubi_mkvol_req r; size_t n; - memset(&r, 0, sizeof(struct ubi_mkvol_req)); - desc = desc; + memset(&r, 0, sizeof(struct ubi_mkvol_req)); r.vol_id = req->vol_id; r.alignment = req->alignment; r.bytes = req->bytes; diff --git a/libubi/ubiutils-common.c b/libubi/ubiutils-common.c index 2271927..8ea2815 100644 --- a/libubi/ubiutils-common.c +++ b/libubi/ubiutils-common.c @@ -119,7 +119,7 @@ void ubiutils_print_bytes(long long bytes, int bracket) printf("%s%.1f GiB", p, (double)bytes / (1024 * 1024 * 1024)); else if (bytes > 1024 * 1024) printf("%s%.1f MiB", p, (double)bytes / (1024 * 1024)); - else if (bytes > 1024 && bytes != 0) + else if (bytes > 1024) printf("%s%.1f KiB", p, (double)bytes / 1024); else return; -- 2.7.4 _______________________________________________ Lede-dev mailing list Lede-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/lede-dev