ide: Fix annoying warning in ide_pio_bytes().

GCC can't see that flags is only set and used when PageHighmem() is
true.

Inspired by a patch from Jean Delvare.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 90e5c0deb0e02da84e28a3c19993c614732f5c00..3a5224cbd0f2edc9dac0dab79309c3bdf18d0dcc 100644 (file)
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -225,8 +225,8 @@ void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd,
        ide_hwif_t *hwif = drive->hwif;
        struct scatterlist *sg = hwif->sg_table;
        struct scatterlist *cursg = cmd->cursg;
+       unsigned long uninitialized_var(flags);
        struct page *page;
-       unsigned long flags;
        unsigned int offset;
        u8 *buf;