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properly handle return codes
[project/fstools.git]
/
libblkid-tiny
/
libblkid-tiny.c
diff --git
a/libblkid-tiny/libblkid-tiny.c
b/libblkid-tiny/libblkid-tiny.c
index
671c6c8
..
f66f3a1
100644
(file)
--- a/
libblkid-tiny/libblkid-tiny.c
+++ b/
libblkid-tiny/libblkid-tiny.c
@@
-197,7
+197,8
@@
int probe_block(char *block, struct blkid_struct_probe *pr)
char magic[32] = { 0 };
lseek(pr->fd, off, SEEK_SET);
- read(pr->fd, magic, mag->len);
+ if (read(pr->fd, magic, mag->len) < 0)
+ return -1;
DEBUG("magic: %s %s %d\n", mag->magic, magic, mag->len);
if (!memcmp(mag->magic, magic, mag->len))