diff options
| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2012-03-07 18:29:45 +0400 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2012-03-07 19:13:23 +0400 |
| commit | 5a1f36c90c9b21a7aa31c29a1926b376dd6a11cf (patch) | |
| tree | fbf23e16f60f031720157482a9200ecdc765b4f5 /fs/ubifs/sb.c | |
| parent | 7ca58bad6904c721678cf2171dc78b97cc03d500 (diff) | |
| download | linux-5a1f36c90c9b21a7aa31c29a1926b376dd6a11cf.tar.xz | |
UBIFS: improve error messages
Ricard complaints that the following error message is odd:
"UBIFS error (pid 1578): validate_sb: bad superblock, error 8"
and he is right. This patch improves the error messages a bit and makes
them more user-friendly.
Reported-by: Ricard Wanderlof <ricard.wanderlof@axis.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Diffstat (limited to 'fs/ubifs/sb.c')
| -rw-r--r-- | fs/ubifs/sb.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c index 6094c5a5d7a8..771f7fb6ce92 100644 --- a/fs/ubifs/sb.c +++ b/fs/ubifs/sb.c @@ -410,13 +410,23 @@ static int validate_sb(struct ubifs_info *c, struct ubifs_sb_node *sup) } if (c->main_lebs < UBIFS_MIN_MAIN_LEBS) { - err = 7; + ubifs_err("too few main LEBs count %d, must be at least %d", + c->main_lebs, UBIFS_MIN_MAIN_LEBS); goto failed; } - if (c->max_bud_bytes < (long long)c->leb_size * UBIFS_MIN_BUD_LEBS || - c->max_bud_bytes > (long long)c->leb_size * c->main_lebs) { - err = 8; + max_bytes = (long long)c->leb_size * UBIFS_MIN_BUD_LEBS; + if (c->max_bud_bytes < max_bytes) { + ubifs_err("too small journal (%lld bytes), must be at least " + "%lld bytes", c->max_bud_bytes, max_bytes); + goto failed; + } + + max_bytes = (long long)c->leb_size * c->main_lebs; + if (c->max_bud_bytes > max_bytes) { + ubifs_err("too large journal size (%lld bytes), only %lld bytes" + "available in the main area", + c->max_bud_bytes, max_bytes); goto failed; } @@ -450,7 +460,6 @@ static int validate_sb(struct ubifs_info *c, struct ubifs_sb_node *sup) goto failed; } - max_bytes = c->main_lebs * (long long)c->leb_size; if (c->rp_size < 0 || max_bytes < c->rp_size) { err = 14; goto failed; |