riptide: treat firmware data as const

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index 979f7da641ce28f0bc13e7c98f0664004e9bd5f6..6a35962473482bf9c46ce32e0baed87ac56963ad 100644 (file)
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -682,7 +682,7 @@ static union firmware_version firmware_versions[] = {
        },
 };
 
-static u32 atoh(unsigned char *in, unsigned int len)
+static u32 atoh(const unsigned char *in, unsigned int len)
 {
        u32 sum = 0;
        unsigned int mult = 1;
@@ -702,12 +702,12 @@ static u32 atoh(unsigned char *in, unsigned int len)
        return sum;
 }
 
-static int senddata(struct cmdif *cif, unsigned char *in, u32 offset)
+static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
 {
        u32 addr;
        u32 data;
        u32 i;
-       unsigned char *p;
+       const unsigned char *p;
 
        i = atoh(&in[1], 2);
        addr = offset + atoh(&in[3], 4);
@@ -726,10 +726,10 @@ static int senddata(struct cmdif *cif, unsigned char *in, u32 offset)
        return 0;
 }
 
-static int loadfirmware(struct cmdif *cif, unsigned char *img,
+static int loadfirmware(struct cmdif *cif, const unsigned char *img,
                        unsigned int size)
 {
-       unsigned char *in;
+       const unsigned char *in;
        u32 laddr, saddr, t, val;
        int err = 0;