X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fisdn%2Fgigaset%2Fisocdata.c;h=8c0eb522dab14336d8c7140660146375bff03ad0;hb=92ba0ee2770ed4954e3f8ba412ef2f37e5519477;hp=8667daaa1a82e74eb74af3704ea4021e283c50e6;hpb=f7a014af2d76a96e5af51b64f954328b700fa62f;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index 8667daaa1a82..8c0eb522dab1 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -14,6 +14,7 @@
 
 #include "gigaset.h"
 #include <linux/crc-ccitt.h>
+#include <linux/bitrev.h>
 
 /* access methods for isowbuf_t */
 /* ============================ */
@@ -487,7 +488,7 @@ static inline int trans_buildframe(struct isowbuf_t *iwb,
 	gig_dbg(DEBUG_STREAM, "put %d bytes", count);
 	write = atomic_read(&iwb->write);
 	do {
-		c = gigaset_invtab[*in++];
+		c = bitrev8(*in++);
 		iwb->data[write++] = c;
 		write %= BAS_OUTBUFSIZE;
 	} while (--count > 0);
@@ -876,7 +877,7 @@ static inline void trans_receive(unsigned char *src, unsigned count,
 	while (count > 0) {
 		dst = skb_put(skb, count < dobytes ? count : dobytes);
 		while (count > 0 && dobytes > 0) {
-			*dst++ = gigaset_invtab[*src++];
+			*dst++ = bitrev8(*src++);
 			count--;
 			dobytes--;
 		}
@@ -920,6 +921,8 @@ static void cmd_loop(unsigned char *src, int numbytes, struct inbuf_t *inbuf)
 			/* end of line */
 			gig_dbg(DEBUG_TRANSCMD, "%s: End of Command (%d Bytes)",
 				__func__, cbytes);
+			if (cbytes >= MAX_RESP_SIZE - 1)
+				dev_warn(cs->dev, "response too large\n");
 			cs->cbytes = cbytes;
 			gigaset_handle_modem_response(cs);
 			cbytes = 0;
@@ -928,8 +931,6 @@ static void cmd_loop(unsigned char *src, int numbytes, struct inbuf_t *inbuf)
 			/* advance in line buffer, checking for overflow */
 			if (cbytes < MAX_RESP_SIZE - 1)
 				cbytes++;
-			else
-				dev_warn(cs->dev, "response too large\n");
 		}
 	}