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.fnst@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
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