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drivers/message/i2o/exec-osm.c: add missing mutex_unlock 

Add a mutex_unlock missing on the error path.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression E1;
@@

* mutex_lock(E1,...);
  <+... when != E1
  if (...) {
    ... when != E1
*   return ...;
  }
  ...+>
* mutex_unlock(E1,...);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Julia Lawall 2010-08-10 18:02:03 -07:00 committed by Linus Torvalds
parent 568133ebda
commit 32fa45498f
1 changed files with 6 additions and 2 deletions
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8
drivers/message/i2o/exec-osm.c
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@ -389,12 +389,16 @@ static int i2o_exec_lct_notify(struct i2o_controller *c, u32 change_ind)
dev = &c->pdev->dev; dev = &c->pdev->dev;
if (i2o_dma_realloc(dev, &c->dlct, if (i2o_dma_realloc(dev, &c->dlct,
le32_to_cpu(sb->expected_lct_size))) le32_to_cpu(sb->expected_lct_size))) {
mutex_unlock(&c->lct_lock);
return -ENOMEM; return -ENOMEM;
}
msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET); msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
if (IS_ERR(msg)) if (IS_ERR(msg)) {
mutex_unlock(&c->lct_lock);
return PTR_ERR(msg); return PTR_ERR(msg);
}
msg->u.head[0] = cpu_to_le32(EIGHT_WORD_MSG_SIZE | SGL_OFFSET_6); msg->u.head[0] = cpu_to_le32(EIGHT_WORD_MSG_SIZE | SGL_OFFSET_6);
msg->u.head[1] = cpu_to_le32(I2O_CMD_LCT_NOTIFY << 24 | HOST_TID << 12 | msg->u.head[1] = cpu_to_le32(I2O_CMD_LCT_NOTIFY << 24 | HOST_TID << 12 |