V4L/DVB (9420): return -EINVAL for invalid parameters

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
index cc5db0e8ad06..6e6373002b6c 100644
--- a/drivers/media/dvb/frontends/stb0899_drv.c
+++ b/drivers/media/dvb/frontends/stb0899_drv.c
@@ -967,7 +967,7 @@ static int stb0899_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
                 break;
         default:
                 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
-                break;
+                return -EINVAL;
         }
 
         return 0;
@@ -1023,7 +1023,7 @@ static int stb0899_read_snr(struct dvb_frontend *fe, u16 *snr)
                 break;
         default:
                 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
-                break;
+                return -EINVAL;
         }
 
         return 0;
@@ -1085,7 +1085,7 @@ static int stb0899_read_status(struct dvb_frontend *fe, enum fe_status *status)
                 break;
         default:
                 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
-                break;
+                return -EINVAL;
         }
         return 0;
 }
@@ -1144,6 +1144,7 @@ static int stb0899_read_ber(struct dvb_frontend *fe, u32 *ber)
                 break;
         default:
                 dprintk(verbose, FE_DEBUG, 1, "Unsupported delivery system");
+                return -EINVAL;
         }
 
         return 0;
@@ -1201,7 +1202,7 @@ static int stb0899_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
                 stb0899_write_reg(state, STB0899_DISEQCOCFG, 0x20);
                 break;
         default:
-                break;
+                return -EINVAL;
         }
         return 0;
 }