a few nits

passes all tests on two-processor smp
This commit is contained in:
Frans Kaashoek 2010-07-23 12:52:50 -04:00
parent b364c4b881
commit af03ab142d
3 changed files with 1 additions and 4 deletions

1
bio.c
View file

@ -109,7 +109,6 @@ bread(uint dev, uint sector)
void void
bwrite(struct buf *b) bwrite(struct buf *b)
{ {
cprintf("bwrite sector %d\n", b->sector);
if((b->flags & B_BUSY) == 0) if((b->flags & B_BUSY) == 0)
panic("bwrite"); panic("bwrite");
b->flags |= B_DIRTY; b->flags |= B_DIRTY;

2
exec.c
View file

@ -102,7 +102,7 @@ exec(char *path, char **argv)
return 0; return 0;
bad: bad:
freevm(pgdir); if (pgdir) freevm(pgdir);
iunlockput(ip); iunlockput(ip);
return -1; return -1;
} }

View file

@ -111,8 +111,6 @@ kalloc(int n)
} }
} }
release(&kmem.lock); release(&kmem.lock);
cprintf("kalloc: out of memory\n");
return 0; return 0;
} }