diff options
Diffstat (limited to 'drivers')
-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 75b85a8cd2d4..90e5c0deb0e0 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, | |||
236 | 236 | ||
237 | while (len) { | 237 | while (len) { |
238 | unsigned nr_bytes = min(len, cursg->length - cmd->cursg_ofs); | 238 | unsigned nr_bytes = min(len, cursg->length - cmd->cursg_ofs); |
239 | int page_is_high; | ||
239 | 240 | ||
240 | if (nr_bytes > PAGE_SIZE) | 241 | if (nr_bytes > PAGE_SIZE) |
241 | nr_bytes = PAGE_SIZE; | 242 | nr_bytes = PAGE_SIZE; |
@@ -247,7 +248,8 @@ void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd, | |||
247 | page = nth_page(page, (offset >> PAGE_SHIFT)); | 248 | page = nth_page(page, (offset >> PAGE_SHIFT)); |
248 | offset %= PAGE_SIZE; | 249 | offset %= PAGE_SIZE; |
249 | 250 | ||
250 | if (PageHighMem(page)) | 251 | page_is_high = PageHighMem(page); |
252 | if (page_is_high) | ||
251 | local_irq_save(flags); | 253 | local_irq_save(flags); |
252 | 254 | ||
253 | buf = kmap_atomic(page, KM_BIO_SRC_IRQ) + offset; | 255 | 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, | |||
268 | 270 | ||
269 | kunmap_atomic(buf, KM_BIO_SRC_IRQ); | 271 | kunmap_atomic(buf, KM_BIO_SRC_IRQ); |
270 | 272 | ||
271 | if (PageHighMem(page)) | 273 | if (page_is_high) |
272 | local_irq_restore(flags); | 274 | local_irq_restore(flags); |
273 | 275 | ||
274 | len -= nr_bytes; | 276 | len -= nr_bytes; |