V4L/DVB (7844): tda18271: add tda_fail macro to log error cases

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/media/common/tuners/tda18271-priv.h b/drivers/media/common/tuners/tda18271-priv.h
index 2bc5eb368ea2..81a739365f8c 100644
--- a/drivers/media/common/tuners/tda18271-priv.h
+++ b/drivers/media/common/tuners/tda18271-priv.h
@@ -153,6 +153,15 @@ extern int tda18271_debug;
 #define tda_reg(fmt, arg...)  dprintk(KERN_DEBUG, DBG_REG,  fmt, ##arg)
 #define tda_cal(fmt, arg...)  dprintk(KERN_DEBUG, DBG_CAL,  fmt, ##arg)
 
+#define tda_fail(ret)                                                        \
+({                                                                           \
+        int __ret;                                                           \
+        __ret = (ret < 0);                                                   \
+        if (__ret)                                                           \
+                tda_printk(KERN_ERR, "error %d on line %d\n", ret, __LINE__);\
+        __ret;                                                               \
+})
+
 /*---------------------------------------------------------------------*/
 
 enum tda18271_map_type {