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| author | Robert Morris <[email protected]> | 2019-06-13 10:29:27 -0400 |
|---|---|---|
| committer | Robert Morris <[email protected]> | 2019-06-13 10:29:27 -0400 |
| commit | a8305b7318e66eb33e7789072e8b91dffa0e4b93 (patch) | |
| tree | 080bae6010159b083d86411fcd05438e19ca5515 /kernel/fs.c | |
| parent | 46744c4a13ec21e0818a49f31dbc3ad6ad592eed (diff) | |
| download | xv6-labs-a8305b7318e66eb33e7789072e8b91dffa0e4b93.tar.gz xv6-labs-a8305b7318e66eb33e7789072e8b91dffa0e4b93.tar.bz2 xv6-labs-a8305b7318e66eb33e7789072e8b91dffa0e4b93.zip | |
FD_DEVICE
Diffstat (limited to 'kernel/fs.c')
| -rw-r--r-- | kernel/fs.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/kernel/fs.c b/kernel/fs.c index ebe377a..ebd8f7a 100644 --- a/kernel/fs.c +++ b/kernel/fs.c @@ -461,12 +461,6 @@ readi(struct inode *ip, int user_dst, uint64 dst, uint off, uint n) uint tot, m; struct buf *bp; - if(ip->type == T_DEV){ - if(ip->major < 0 || ip->major >= NDEV || !devsw[ip->major].read) - return -1; - return devsw[ip->major].read(ip, user_dst, dst, n); - } - if(off > ip->size || off + n < off) return -1; if(off + n > ip->size) @@ -493,13 +487,6 @@ writei(struct inode *ip, int user_src, uint64 src, uint off, uint n) uint tot, m; struct buf *bp; - if(ip->type == T_DEV){ - if(ip->major < 0 || ip->major >= NDEV || !devsw[ip->major].write){ - return -1; - } - return devsw[ip->major].write(ip, user_src, src, n); - } - if(off > ip->size || off + n < off) return -1; if(off + n > MAXFILE*BSIZE) |