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authorRobert Morris <[email protected]>2017-08-08 13:27:06 -0400
committerRobert Morris <[email protected]>2017-08-08 13:27:06 -0400
commit14270288b7e5327832cdf6a8d9da52ef58fce652 (patch)
treeb604cb49fb049a14966418eda4589cd1271f8e53 /ide.c
parentaba8423c4a5ae01828040d04f668f07ec544dcd0 (diff)
parent825ce074b10a0e1f63fd3a1fe245220d04054e0a (diff)
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Merge branch 'master' of g.csail.mit.edu:xv6-dev
Diffstat (limited to 'ide.c')
-rw-r--r--ide.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ide.c b/ide.c
index b3112b9..881fe0d 100644
--- a/ide.c
+++ b/ide.c
@@ -108,9 +108,9 @@ ideintr(void)
// First queued buffer is the active request.
acquire(&idelock);
+
if((b = idequeue) == 0){
release(&idelock);
- // cprintf("spurious IDE interrupt\n");
return;
}
idequeue = b->qnext;
@@ -164,5 +164,6 @@ iderw(struct buf *b)
sleep(b, &idelock);
}
+
release(&idelock);
}