diff options
Diffstat (limited to 'fs/minix/bitmap.c')
| -rw-r--r-- | fs/minix/bitmap.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c index 060d5b26c..21057e7dc 100644 --- a/fs/minix/bitmap.c +++ b/fs/minix/bitmap.c @@ -251,13 +251,15 @@ struct inode * minix_new_inode(const struct inode * dir, int * error) struct buffer_head * bh; int i,j; - if (!dir || !(inode = get_empty_inode())) + inode = get_empty_inode(); + if (!inode) return NULL; sb = dir->i_sb; inode->i_sb = sb; inode->i_flags = 0; j = 8192; bh = NULL; + lock_super(sb); for (i = 0; i < sb->u.minix_sb.s_imap_blocks; i++) { bh = inode->i_sb->u.minix_sb.s_imap[i]; if ((j = minix_find_first_zero_bit(bh->b_data, 8192)) < 8192) @@ -265,17 +267,20 @@ struct inode * minix_new_inode(const struct inode * dir, int * error) } if (!bh || j >= 8192) { iput(inode); + unlock_super(sb); return NULL; } if (minix_set_bit(j,bh->b_data)) { /* shouldn't happen */ printk("new_inode: bit already set"); iput(inode); + unlock_super(sb); return NULL; } mark_buffer_dirty(bh, 1); j += i*8192; if (!j || j > inode->i_sb->u.minix_sb.s_ninodes) { iput(inode); + unlock_super(sb); return NULL; } inode->i_nlink = 1; |