X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Fisa%2Fgus%2Fgus_dram.c;h=22120b868b5c35bc1a77831c9797c6964a71b598;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=0b73d4c5fc68c13e07d032da0d2b227b5005551c;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git

diff --git a/sound/isa/gus/gus_dram.c b/sound/isa/gus/gus_dram.c
index 0b73d4c5f..22120b868 100644
--- a/sound/isa/gus/gus_dram.c
+++ b/sound/isa/gus/gus_dram.c
@@ -31,12 +31,12 @@ static int snd_gus_dram_poke(snd_gus_card_t *gus, char __user *_buffer,
 {
 	unsigned long flags;
 	unsigned int size1, size2;
-	char buffer[512], *pbuffer;
+	char buffer[256], *pbuffer;
 
 	while (size > 0) {
-		if (copy_from_user(buffer, _buffer, 512))
+		size1 = size > sizeof(buffer) ? sizeof(buffer) : size;
+		if (copy_from_user(buffer, _buffer, size1))
 			return -EFAULT;
-		size1 = size > 512 ? 512 : size;
 		if (gus->interwave) {
 			spin_lock_irqsave(&gus->reg_lock, flags);
 			snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);
@@ -69,10 +69,10 @@ static int snd_gus_dram_peek(snd_gus_card_t *gus, char __user *_buffer,
 {
 	unsigned long flags;
 	unsigned int size1, size2;
-	char buffer[512], *pbuffer;
+	char buffer[256], *pbuffer;
 
 	while (size > 0) {
-		size1 = size > 512 ? 512 : size;
+		size1 = size > sizeof(buffer) ? sizeof(buffer) : size;
 		if (gus->interwave) {
 			spin_lock_irqsave(&gus->reg_lock, flags);
 			snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, rom ? 0x03 : 0x01);