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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>
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@ -225,8 +225,8 @@ void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd,
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ide_hwif_t *hwif = drive->hwif;
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struct scatterlist *sg = hwif->sg_table;
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struct scatterlist *cursg = cmd->cursg;
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unsigned long uninitialized_var(flags);
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struct page *page;
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unsigned long flags;
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unsigned int offset;
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u8 *buf;
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