mkfs.c: In function ‘is_ssd’: mkfs.c:1168:26: warning: ignoring return value of ‘blkid_devno_to_wholedisk’, declared with attribute warn_unused_result [-Wunused-result] blkid_devno_to_wholedisk(devno, wholedisk, sizeof(wholedisk), NULL);
Signed-off-by: Wang Shilong <wangsl.f...@cn.fujitsu.com> --- mkfs.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/mkfs.c b/mkfs.c index 6d340cb..bcaca43 100644 --- a/mkfs.c +++ b/mkfs.c @@ -1209,6 +1209,7 @@ static int is_ssd(const char *file) dev_t devno; int fd; char rotational; + int ret; probe = blkid_new_probe_from_filename(file); if (!probe) @@ -1220,7 +1221,12 @@ static int is_ssd(const char *file) return 0; /* Get whole disk name (not full path) for this devno */ - blkid_devno_to_wholedisk(devno, wholedisk, sizeof(wholedisk), NULL); + ret = blkid_devno_to_wholedisk(devno, + wholedisk, sizeof(wholedisk), NULL); + if (ret) { + blkid_free_probe(probe); + return 0; + } snprintf(sysfs_path, PATH_MAX, "/sys/block/%s/queue/rotational", wholedisk); -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html