CRISv10: remove redundant tests on unsigned

Since dmanr is unsigned, negatives are wrapped and caught by the other test.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>

diff --git a/arch/cris/arch-v10/kernel/dma.c b/arch/cris/arch-v10/kernel/dma.c
index 929e686..d31504b 100644 (file)
--- a/arch/cris/arch-v10/kernel/dma.c
+++ b/arch/cris/arch-v10/kernel/dma.c
@@ -24,7 +24,7 @@ int cris_request_dma(unsigned int dmanr, const char * device_id,
        unsigned long int gens;
        int fail = -EINVAL;
 
-       if ((dmanr < 0) || (dmanr >= MAX_DMA_CHANNELS)) {
+       if (dmanr >= MAX_DMA_CHANNELS) {
                printk(KERN_CRIT "cris_request_dma: invalid DMA channel %u\n", dmanr);
                return -EINVAL;
        }
@@ -213,7 +213,7 @@ int cris_request_dma(unsigned int dmanr, const char * device_id,
 void cris_free_dma(unsigned int dmanr, const char * device_id)
 {
        unsigned long flags;
-       if ((dmanr < 0) || (dmanr >= MAX_DMA_CHANNELS)) {
+       if (dmanr >= MAX_DMA_CHANNELS) {
                printk(KERN_CRIT "cris_free_dma: invalid DMA channel %u\n", dmanr);
                return;
        }