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Add a "cc" clobber so the compiler knows the flags are altered. Without it, the compiler may reorder flag-dependent instructions across the asm block when the function is inlined, potentially causing incorrect control flow. Fixes: 2fff27512600 ("PATA host controller driver for ep93xx") Assisted-by: Opencode:Big-Pickle Signed-off-by: Rosen Penev --- v2: add Fixes tag drivers/ata/pata_ep93xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/ata/pata_ep93xx.c b/drivers/ata/pata_ep93xx.c index be8a314654e6..f149210b1454 100644 --- a/drivers/ata/pata_ep93xx.c +++ b/drivers/ata/pata_ep93xx.c @@ -211,6 +211,7 @@ static void ep93xx_pata_delay(unsigned long count) "bge 0b\n" : "=r" (count) : "0" (count) + : "cc" ); #else while (count--) -- 2.55.0