diff options
Diffstat (limited to 'util/nvmutil')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 00f45db3..37d7c632 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -1952,6 +1952,7 @@ prw(int fd, void *mem, size_t nrw, int loop_eagain, int loop_eintr) { off_t off_orig; + off_t off_last; ssize_t r; int saved_errno; int positional_rw; @@ -2022,11 +2023,14 @@ real_pread_pwrite: || errno == try_err(loop_eagain, EAGAIN))); saved_errno = errno; - if (lseek_loop(fd, off_orig, SEEK_SET, - loop_eagain, loop_eintr) == (off_t)-1) { + off_last = lseek_loop(fd, off_orig, SEEK_SET, + loop_eagain, loop_eintr); + if (off_last == (off_t)-1) { errno = saved_errno; return -1; } + if (off_last != off_orig) + goto err_prw; errno = saved_errno; return rw_over_nrw(r, nrw); |