diff options
Diffstat (limited to 'fs/ubifs/recovery.c')
-rw-r--r-- | fs/ubifs/recovery.c | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/fs/ubifs/recovery.c b/fs/ubifs/recovery.c index 093a1ecb700f..fe7af9f676b0 100644 --- a/fs/ubifs/recovery.c +++ b/fs/ubifs/recovery.c | |||
@@ -357,11 +357,7 @@ static int is_last_write(const struct ubifs_info *c, void *buf, int offs) | |||
357 | empty_offs = ALIGN(offs + 1, c->min_io_size); | 357 | empty_offs = ALIGN(offs + 1, c->min_io_size); |
358 | check_len = c->leb_size - empty_offs; | 358 | check_len = c->leb_size - empty_offs; |
359 | p = buf + empty_offs - offs; | 359 | p = buf + empty_offs - offs; |
360 | 360 | return is_empty(p, check_len); | |
361 | for (; check_len > 0; check_len--) | ||
362 | if (*p++ != 0xff) | ||
363 | return 0; | ||
364 | return 1; | ||
365 | } | 361 | } |
366 | 362 | ||
367 | /** | 363 | /** |
@@ -814,7 +810,7 @@ struct ubifs_scan_leb *ubifs_recover_log_leb(struct ubifs_info *c, int lnum, | |||
814 | static int recover_head(const struct ubifs_info *c, int lnum, int offs, | 810 | static int recover_head(const struct ubifs_info *c, int lnum, int offs, |
815 | void *sbuf) | 811 | void *sbuf) |
816 | { | 812 | { |
817 | int len, err, need_clean = 0; | 813 | int len, err; |
818 | 814 | ||
819 | if (c->min_io_size > 1) | 815 | if (c->min_io_size > 1) |
820 | len = c->min_io_size; | 816 | len = c->min_io_size; |
@@ -828,19 +824,7 @@ static int recover_head(const struct ubifs_info *c, int lnum, int offs, | |||
828 | 824 | ||
829 | /* Read at the head location and check it is empty flash */ | 825 | /* Read at the head location and check it is empty flash */ |
830 | err = ubi_read(c->ubi, lnum, sbuf, offs, len); | 826 | err = ubi_read(c->ubi, lnum, sbuf, offs, len); |
831 | if (err) | 827 | if (err || !is_empty(sbuf, len)) { |
832 | need_clean = 1; | ||
833 | else { | ||
834 | uint8_t *p = sbuf; | ||
835 | |||
836 | while (len--) | ||
837 | if (*p++ != 0xff) { | ||
838 | need_clean = 1; | ||
839 | break; | ||
840 | } | ||
841 | } | ||
842 | |||
843 | if (need_clean) { | ||
844 | dbg_rcvry("cleaning head at %d:%d", lnum, offs); | 828 | dbg_rcvry("cleaning head at %d:%d", lnum, offs); |
845 | if (offs == 0) | 829 | if (offs == 0) |
846 | return ubifs_leb_unmap(c, lnum); | 830 | return ubifs_leb_unmap(c, lnum); |