diff options
Diffstat (limited to 'kernel/sysfile.c')
| -rw-r--r-- | kernel/sysfile.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/sysfile.c b/kernel/sysfile.c index 23a9540..5b09d93 100644 --- a/kernel/sysfile.c +++ b/kernel/sysfile.c @@ -246,6 +246,7 @@ create(char *path, short type, short major, short minor) if((dp = nameiparent(path, name)) == 0) return 0; + ilock(dp); if((ip = dirlookup(dp, name, 0)) != 0){ @@ -289,8 +290,9 @@ sys_open(void) int fd, omode; struct file *f; struct inode *ip; + int n; - if(argstr(0, path, MAXPATH) < 0 || argint(1, &omode) < 0) + if((n = argstr(0, path, MAXPATH)) < 0 || argint(1, &omode) < 0) return -1; begin_op(); |