diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2013-05-02 12:33:21 -0400 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2013-05-29 15:36:01 +0300 |
| commit | d51d421d1b8f1afcedb8593ce835819c57792f45 (patch) | |
| tree | a60714c04102e431b7bb96b7f4e5c2dc5ab5db76 | |
| parent | c8f34d79c4f5d6f061d744538949167afa803f5f (diff) | |
flash_erase: use pwrite() rather than lseek() && write()
Saves a syscall.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| -rw-r--r-- | flash_erase.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/flash_erase.c b/flash_erase.c index 326a299..1421cf9 100644 --- a/flash_erase.c +++ b/flash_erase.c @@ -277,11 +277,7 @@ int main(int argc, char *argv[]) continue; } } else { - if (lseek(fd, offset, SEEK_SET) < 0) { - sys_errmsg("%s: MTD lseek failure", mtd_device); - continue; - } - if (write(fd, &cleanmarker, sizeof(cleanmarker)) != sizeof(cleanmarker)) { + if (pwrite(fd, &cleanmarker, sizeof(cleanmarker), (loff_t)offset) != sizeof(cleanmarker)) { sys_errmsg("%s: MTD write failure", mtd_device); continue; } |