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path: root/drivers/ide/ide-taskfile.c
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Diffstat (limited to 'drivers/ide/ide-taskfile.c')
-rw-r--r--drivers/ide/ide-taskfile.c6
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;