diff options
author | John Hull <john_hull@dell.com> | 2005-09-16 21:10:12 +0200 |
---|---|---|
committer | Kay Sievers <kay.sievers@suse.de> | 2005-09-16 21:10:12 +0200 |
commit | 4b12433517bfb1a4cdf4eecc5102f2cc5e1e6288 (patch) | |
tree | 9539742e2902528b65d3eda59d2aa93d89b2d3c5 /extras/edd_id/edd_id.c | |
parent | 77914dfeda9caae155f7dcdbeb06dc8574a6f4ad (diff) |
edd_id: check that EDD id is unique
The attached patch adds a check to edd_id.c to verify that the MBR
signature on the device node passed to the program is unique to only
that disk.
Signed-off-by: John Hull <john_hull@dell.com>
Diffstat (limited to 'extras/edd_id/edd_id.c')
-rw-r--r-- | extras/edd_id/edd_id.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/extras/edd_id/edd_id.c b/extras/edd_id/edd_id.c index 504aac36e6..8ac50e9812 100644 --- a/extras/edd_id/edd_id.c +++ b/extras/edd_id/edd_id.c @@ -63,6 +63,7 @@ int main(int argc, char *argv[]) int sysfs_fd; DIR *dir = NULL; int rc = 1; + char *match = NULL; logging_init("edd_id"); @@ -165,14 +166,23 @@ int main(int argc, char *argv[]) sysfs_id = strtoul(sysfs_id_buf, NULL, 16); if (disk_id == sysfs_id) { + if (!match) { + match = dent->d_name; + } else { + info("'%s' does not have a unique signature", node); + fprintf(stderr, "'%s' does not have a unique signature\n", node); + rc=10; + goto exit; + } + } + + } + if (export) - printf("ID_EDD=%s\n", dent->d_name); + printf("ID_EDD=%s\n", match); else - printf("%s\n", dent->d_name); + printf("%s\n", match); rc = 0; - break; - } - } close: close(disk_fd); |