diff options
| -rw-r--r-- | ubi-utils/include/libubi.h | 5 | ||||
| -rw-r--r-- | ubi-utils/libubi.c | 34 |
2 files changed, 13 insertions, 26 deletions
diff --git a/ubi-utils/include/libubi.h b/ubi-utils/include/libubi.h index 11a186b..bbaa78c 100644 --- a/ubi-utils/include/libubi.h +++ b/ubi-utils/include/libubi.h @@ -233,8 +233,9 @@ int ubi_attach_mtd(libubi_t desc, const char *node, * device node. Otherwise functionality is similar than in function * 'ubi_attach_mtd()' where @req->mtd_num is used. * - * Returns %0 in case of success and %-1 in case of failure (errno is set). The - * newly created UBI device number is returned in @req->dev_num. + * Returns %0 in case of success and %-1 in case of failure (errno is set). + * The newly created UBI device number is returned in @req->dev_num. + * The MTD device number is returned in @req->mtd_num (-1 if not found) */ int ubi_attach(libubi_t desc, const char *node, struct ubi_attach_request *req); diff --git a/ubi-utils/libubi.c b/ubi-utils/libubi.c index 7736dd4..dec72c7 100644 --- a/ubi-utils/libubi.c +++ b/ubi-utils/libubi.c @@ -770,30 +770,16 @@ static int mtd_node_to_num(const char *mtd_dev_node) int ubi_attach(libubi_t desc, const char *node, struct ubi_attach_request *req) { - struct ubi_attach_req r; - int ret; - - if (!req->mtd_dev_node) - /* Fallback to opening by mtd_num */ - return ubi_attach_mtd(desc, node, req); - - memset(&r, 0, sizeof(struct ubi_attach_req)); - r.ubi_num = req->dev_num; - r.vid_hdr_offset = req->vid_hdr_offset; - - /* - * User has passed path to device node. Lets find out MTD device number - * of the device and pass it to the kernel. - */ - r.mtd_num = mtd_node_to_num(req->mtd_dev_node); - if (r.mtd_num == -1) - return -1; - - ret = do_attach(node, &r); - if (ret == 0) - req->dev_num = r.ubi_num; - - return ret; + if (req->mtd_dev_node) { + /* + * User has passed path to device node. Lets find out MTD + * device number of the device and update req->mtd_num with it + */ + req->mtd_num = mtd_node_to_num(req->mtd_dev_node); + if (req->mtd_num == -1) + return -1; + } + return ubi_attach_mtd(desc, node, req); } int ubi_detach_mtd(libubi_t desc, const char *node, int mtd_num) |