diff options
| -rw-r--r-- | drivers/ide/ide-taskfile.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 75b85a8cd2d..90e5c0deb0e 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -236,6 +236,7 @@ void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd, while (len) { unsigned nr_bytes = min(len, cursg->length - cmd->cursg_ofs); + int page_is_high; if (nr_bytes > PAGE_SIZE) nr_bytes = PAGE_SIZE; @@ -247,7 +248,8 @@ void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd, page = nth_page(page, (offset >> PAGE_SHIFT)); offset %= PAGE_SIZE; - if (PageHighMem(page)) + page_is_high = PageHighMem(page); + if (page_is_high) local_irq_save(flags); buf = kmap_atomic(page, KM_BIO_SRC_IRQ) + offset; @@ -268,7 +270,7 @@ void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd, kunmap_atomic(buf, KM_BIO_SRC_IRQ); - if (PageHighMem(page)) + if (page_is_high) local_irq_restore(flags); len -= nr_bytes; |