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| author | Edward Shishkin <edward@namesys.com> | 2005-05-01 08:59:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-01 08:59:09 -0700 |
| commit | 74f9f974a64dc3de554aa1977bf108334436e47b (patch) | |
| tree | 0fe911ce4f0b5003e334c6492c5ee7d70ac0dfbd | |
| parent | 439bd3708792e31057db424d1165473122d531a3 (diff) | |
| download | linux-3.10-74f9f974a64dc3de554aa1977bf108334436e47b.tar.gz linux-3.10-74f9f974a64dc3de554aa1977bf108334436e47b.tar.bz2 linux-3.10-74f9f974a64dc3de554aa1977bf108334436e47b.zip | |
[PATCH] reiserfs: journal_init fix
This fixes segmentation fault when specifying bad journal device via
a mount option.
Don't pass a zero pointer to bdevname() if filp_open() returns error.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | fs/reiserfs/journal.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index c9ad3a7849f..b16d65acb55 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -2306,13 +2306,16 @@ static int journal_init_dev( struct super_block *super, if( !IS_ERR( journal -> j_dev_file ) ) { struct inode *jdev_inode = journal->j_dev_file->f_mapping->host; if( !S_ISBLK( jdev_inode -> i_mode ) ) { - reiserfs_warning (super, "journal_init_dev: '%s' is " - "not a block device", jdev_name ); + reiserfs_warning(super, "journal_init_dev: '%s' is " + "not a block device", jdev_name ); result = -ENOTBLK; + release_journal_dev( super, journal ); } else { /* ok */ journal->j_dev_bd = I_BDEV(jdev_inode); set_blocksize(journal->j_dev_bd, super->s_blocksize); + reiserfs_info(super, "journal_init_dev: journal device: %s\n", + bdevname(journal->j_dev_bd, b)); } } else { result = PTR_ERR( journal -> j_dev_file ); @@ -2321,11 +2324,6 @@ static int journal_init_dev( struct super_block *super, "journal_init_dev: Cannot open '%s': %i", jdev_name, result ); } - if( result != 0 ) { - release_journal_dev( super, journal ); - } - reiserfs_info(super, "journal_init_dev: journal device: %s\n", - bdevname(journal->j_dev_bd, b)); return result; } |