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* [PATCH] [POWERPC] unsigned speed cannot be negative
@ 2008-10-15  0:36 roel kluin
  0 siblings, 0 replies; only message in thread
From: roel kluin @ 2008-10-15  0:36 UTC (permalink / raw)
  To: benh, linuxppc-dev

unsigned speed cannot be negative

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
N.B. It could be possible that a different fix is needed.

diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c
index cb01ebc..7b7da8c 100644
--- a/arch/powerpc/kernel/udbg_16550.c
+++ b/arch/powerpc/kernel/udbg_16550.c
@@ -142,7 +142,7 @@ unsigned int udbg_probe_uart_speed(void __iomem *comport, unsigned int clock)
 	speed = (clock / prescaler) / (divisor * 16);
 
 	/* sanity check */
-	if (speed < 0 || speed > (clock / 16))
+	if (speed > (clock / 16))
 		speed = 9600;
 
 	return speed;

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2008-10-15  0:36 [PATCH] [POWERPC] unsigned speed cannot be negative roel kluin

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