diff options
Diffstat (limited to 'lib/libmtd_legacy.c')
| -rw-r--r-- | lib/libmtd_legacy.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/libmtd_legacy.c b/lib/libmtd_legacy.c index d6c3938..d3f1672 100644 --- a/lib/libmtd_legacy.c +++ b/lib/libmtd_legacy.c @@ -170,6 +170,31 @@ int legacy_libmtd_open(void) } /** + * legacy_dev_presentl - legacy version of 'mtd_dev_present()'. + * @info: the MTD device information is returned here + * + * When the kernel does not provide sysfs files for the MTD subsystem, + * fall-back to parsing the /proc/mtd file to determine whether an mtd device + * number @mtd_num is present. + */ +int legacy_dev_present(int mtd_num) +{ + int ret; + struct proc_parse_info pi; + + ret = proc_parse_start(&pi); + if (ret) + return -1; + + while (proc_parse_next(&pi)) { + if (pi.mtd_num == mtd_num) + return 1; + } + + return 0; +} + +/** * legacy_mtd_get_info - legacy version of 'mtd_get_info()'. * @info: the MTD device information is returned here * |