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| author |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-20 00:32:37 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-20 00:32:37 +0200 |
| commit | eda5b359dc8372424eed94f5a3e27c2deb4e76cf (patch) | |
| tree | fced40520225fa475e05738e079be1b86e6fbd79 | |
| parent | ide: check ->dma_setup() return value in flagged_taskfile() (diff) | |
| download | linux-dev-eda5b359dc8372424eed94f5a3e27c2deb4e76cf.tar.xz linux-dev-eda5b359dc8372424eed94f5a3e27c2deb4e76cf.zip | |
ide: check drive->using_dma in flagged_taskfile()
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| -rw-r--r-- | drivers/ide/ide-taskfile.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 6812f4788789..73ef6bf5fbcc 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -837,6 +837,9 @@ ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task) case TASKFILE_OUT_DMA: case TASKFILE_IN_DMAQ: case TASKFILE_IN_DMA: + if (!drive->using_dma) + break; + if (!hwif->dma_setup(drive)) { hwif->dma_exec_cmd(drive, taskfile->command); hwif->dma_start(drive); |