diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/fs.c | 6 | ||||
| -rw-r--r-- | kernel/sysfile.c | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/kernel/fs.c b/kernel/fs.c index b220491..dea5864 100644 --- a/kernel/fs.c +++ b/kernel/fs.c @@ -193,7 +193,8 @@ static struct inode* iget(uint dev, uint inum); // Allocate an inode on device dev. // Mark it as allocated by giving it type type. -// Returns an unlocked but allocated and referenced inode. +// Returns an unlocked but allocated and referenced inode, +// or NULL if there is no free inode.. struct inode* ialloc(uint dev, short type) { @@ -213,7 +214,8 @@ ialloc(uint dev, short type) } brelse(bp); } - panic("ialloc: no inodes"); + printf("ialloc: no inodes\n"); + return 0; } // Copy a modified in-memory inode to disk. diff --git a/kernel/sysfile.c b/kernel/sysfile.c index d8a6fca..16b668c 100644 --- a/kernel/sysfile.c +++ b/kernel/sysfile.c @@ -262,8 +262,10 @@ create(char *path, short type, short major, short minor) return 0; } - if((ip = ialloc(dp->dev, type)) == 0) - panic("create: ialloc"); + if((ip = ialloc(dp->dev, type)) == 0){ + iunlockput(dp); + return 0; + } ilock(ip); ip->major = major; |