riptide: treat firmware data as const

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

1 files changed, 5 insertions, 5 deletions

diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index 979f7da641ce..6a3596247348 100644
--- 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;