diff options
Diffstat (limited to 'super-gpt.c')
| -rw-r--r-- | super-gpt.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/super-gpt.c b/super-gpt.c index a1e9aa9..50c267f 100644 --- a/super-gpt.c +++ b/super-gpt.c @@ -40,6 +40,7 @@ #include "mdadm.h" #include "part.h" +#include "xmalloc.h" static void free_gpt(struct supertype *st) { @@ -105,7 +106,8 @@ static int load_gpt(struct supertype *st, int fd, char *devname) return 1; } /* Set offset to second block (GPT header) */ - lseek(fd, sector_size, SEEK_SET); + if (lseek(fd, sector_size, SEEK_SET) == -1L) + goto no_read; /* Seem to have GPT, load the header */ gpt_head = (struct GPT*)(super+1); if (read(fd, gpt_head, sizeof(*gpt_head)) != sizeof(*gpt_head)) @@ -118,7 +120,8 @@ static int load_gpt(struct supertype *st, int fd, char *devname) to_read = __le32_to_cpu(gpt_head->part_cnt) * sizeof(struct GPT_part_entry); to_read = ((to_read+511)/512) * 512; /* Set offset to third block (GPT entries) */ - lseek(fd, sector_size*2, SEEK_SET); + if (lseek(fd, sector_size * 2, SEEK_SET) == -1L) + goto no_read; if (read(fd, gpt_head+1, to_read) != to_read) goto no_read; |