diff options
Diffstat (limited to 'lib/libmtd.c')
| -rw-r--r-- | lib/libmtd.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/lib/libmtd.c b/lib/libmtd.c index c6e5b20..888d118 100644 --- a/lib/libmtd.c +++ b/lib/libmtd.c @@ -713,10 +713,22 @@ out_close: return -1; } +int mtd_dev_present(libmtd_t desc, int mtd_num) { + struct stat st; + struct libmtd *lib = (struct libmtd *)desc; + char file[strlen(lib->mtd) + 10]; + + if (!lib->sysfs_supported) + /* TODO: add legacy_dev_present() function */ + return 1; + + sprintf(file, lib->mtd, mtd_num); + return !stat(file, &st); +} + int mtd_get_dev_info1(libmtd_t desc, int mtd_num, struct mtd_dev_info *mtd) { int ret; - struct stat st; struct libmtd *lib = (struct libmtd *)desc; memset(mtd, 0, sizeof(struct mtd_dev_info)); @@ -724,15 +736,9 @@ int mtd_get_dev_info1(libmtd_t desc, int mtd_num, struct mtd_dev_info *mtd) if (!lib->sysfs_supported) return legacy_get_dev_info1(mtd_num, mtd); - else { - char file[strlen(lib->mtd) + 10]; - - sprintf(file, lib->mtd, mtd_num); - if (stat(file, &st)) { - if (errno == ENOENT) - errno = ENODEV; - return -1; - } + else if (!mtd_dev_present(desc, mtd_num)) { + errno = ENODEV; + return -1; } if (dev_get_major(lib, mtd_num, &mtd->major, &mtd->minor)) |