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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-14 21:43:18 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-14 21:43:18 +0100 |
| commit | 18553c38bcdef9b0cc69a784cd033a8a21bfa012 (patch) | |
| tree | 03b2b4f92a5ccb3416adb69196248751e3a1d0c2 /drivers | |
| parent | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus (diff) | |
| parent | Fix Xilinx SystemACE driver to handle empty CF slot (diff) | |
| download | linux-18553c38bcdef9b0cc69a784cd033a8a21bfa012.tar.xz linux-18553c38bcdef9b0cc69a784cd033a8a21bfa012.zip | |
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
Fix Xilinx SystemACE driver to handle empty CF slot
block: fix memory leak in bio_clone()
block: Add gfp_mask parameter to bio_integrity_clone()
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/xsysace.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c index 381d686fc1a3..119be3442f28 100644 --- a/drivers/block/xsysace.c +++ b/drivers/block/xsysace.c @@ -489,6 +489,28 @@ static void ace_fsm_dostate(struct ace_device *ace) ace->fsm_state, ace->id_req_count); #endif + /* Verify that there is actually a CF in the slot. If not, then + * bail out back to the idle state and wake up all the waiters */ + status = ace_in32(ace, ACE_STATUS); + if ((status & ACE_STATUS_CFDETECT) == 0) { + ace->fsm_state = ACE_FSM_STATE_IDLE; + ace->media_change = 1; + set_capacity(ace->gd, 0); + dev_info(ace->dev, "No CF in slot\n"); + + /* Drop all pending requests */ + while ((req = elv_next_request(ace->queue)) != NULL) + end_request(req, 0); + + /* Drop back to IDLE state and notify waiters */ + ace->fsm_state = ACE_FSM_STATE_IDLE; + ace->id_result = -EIO; + while (ace->id_req_count) { + complete(&ace->id_completion); + ace->id_req_count--; + } + } + switch (ace->fsm_state) { case ACE_FSM_STATE_IDLE: /* See if there is anything to do */ |