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| author | Philip J Kelleher <pjk1939@linux.vnet.ibm.com> | 2013-09-04 13:59:02 -0500 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-11-08 09:10:28 -0700 |
| commit | e5feab229f199dadee91073fbef5b507046086fd (patch) | |
| tree | a5a5f75cd2ad53ecda8a9e2b3e95046e119be148 /drivers/block/rsxx/rsxx_priv.h | |
| parent | ef7e7c82e02b602f29c2b87f42dcd6143a6777da (diff) | |
| download | linux-e5feab229f199dadee91073fbef5b507046086fd.tar.gz linux-e5feab229f199dadee91073fbef5b507046086fd.tar.bz2 linux-e5feab229f199dadee91073fbef5b507046086fd.zip | |
rsxx: Handling failed pci_map_page on PowerPC and double free.
The rsxx driver was not checking the correct value during a
pci_map_page failure. Fixing this also uncovered a
double free if the bio was returned before it was
broken up into indiviadual 4k dmas, that is also
fixed here.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/rsxx/rsxx_priv.h')
| -rw-r--r-- | drivers/block/rsxx/rsxx_priv.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/block/rsxx/rsxx_priv.h b/drivers/block/rsxx/rsxx_priv.h index 5ad5055a4104..82779058e8ec 100644 --- a/drivers/block/rsxx/rsxx_priv.h +++ b/drivers/block/rsxx/rsxx_priv.h @@ -345,6 +345,11 @@ enum rsxx_creg_stat { CREG_STAT_TAG_MASK = 0x0000ff00, }; +enum rsxx_dma_finish { + FREE_DMA = 0x0, + COMPLETE_DMA = 0x1, +}; + static inline unsigned int CREG_DATA(int N) { return CREG_DATA0 + (N << 2); @@ -379,7 +384,9 @@ typedef void (*rsxx_dma_cb)(struct rsxx_cardinfo *card, int rsxx_dma_setup(struct rsxx_cardinfo *card); void rsxx_dma_destroy(struct rsxx_cardinfo *card); int rsxx_dma_init(void); -int rsxx_cleanup_dma_queue(struct rsxx_dma_ctrl *ctrl, struct list_head *q); +int rsxx_cleanup_dma_queue(struct rsxx_dma_ctrl *ctrl, + struct list_head *q, + unsigned int done); int rsxx_dma_cancel(struct rsxx_dma_ctrl *ctrl); void rsxx_dma_cleanup(void); void rsxx_dma_queue_reset(struct rsxx_cardinfo *card); |