From af03ab142de8c68ad56a829e39e8faee9db252d3 Mon Sep 17 00:00:00 2001
From: Frans Kaashoek <kaashoek@31-34-210.wireless.csail.mit.edu>
Date: Fri, 23 Jul 2010 12:52:50 -0400
Subject: [PATCH] a few nits passes all tests on two-processor smp
---
bio.c | 1 -
exec.c | 2 +-
kalloc.c | 2 --
3 files changed, 1 insertion(+), 4 deletions(-)
diff --git a/bio.c b/bio.c
index c746478..6a3968b 100644
--- a/bio.c
+++ b/bio.c
@@ -109,7 +109,6 @@ bread(uint dev, uint sector)
void
bwrite(struct buf *b)
{
- cprintf("bwrite sector %d\n", b->sector);
if((b->flags & B_BUSY) == 0)
panic("bwrite");
b->flags |= B_DIRTY;
diff --git a/exec.c b/exec.c
index 6ded59f..8a92e99 100644
--- a/exec.c
+++ b/exec.c
@@ -102,7 +102,7 @@ exec(char *path, char **argv)
return 0;
bad:
- freevm(pgdir);
+ if (pgdir) freevm(pgdir);
iunlockput(ip);
return -1;
}
diff --git a/kalloc.c b/kalloc.c
index 7f47853..5661105 100644
--- a/kalloc.c
+++ b/kalloc.c
@@ -111,8 +111,6 @@ kalloc(int n)
}
}
release(&kmem.lock);
-
- cprintf("kalloc: out of memory\n");
return 0;
}
--
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