vserver 1.9.3

[linux-2.6.git] / sound / isa / gus / gus_dram.c

diff --git a/sound/isa/gus/gus_dram.c b/sound/isa/gus/gus_dram.c
index 0b73d4c..22120b8 100644 (file)
--- 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);