Messages in this thread Patch in this message | | | From | Danny Kukawka <> | Subject | [PATCH v2 15/16] leds-lp5521: fix compiler warning | Date | Mon, 30 Jan 2012 23:00:19 +0100 |
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Fix for some -Wuninitialized compiler warnings.
Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de> --- drivers/leds/leds-lp5521.c | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index d62a798..8ce4525 100644 --- a/drivers/leds/leds-lp5521.c +++ b/drivers/leds/leds-lp5521.c @@ -193,6 +193,7 @@ static int lp5521_load_program(struct lp5521_engine *eng, const u8 *pattern) struct lp5521_chip *chip = engine_to_lp5521(eng); struct i2c_client *client = chip->client; int ret; + int ret2; int addr; u8 mode; @@ -200,7 +201,11 @@ static int lp5521_load_program(struct lp5521_engine *eng, const u8 *pattern) ret = lp5521_set_engine_mode(eng, LP5521_CMD_DIRECT); /* Mode change requires min 500 us delay. 1 - 2 ms with margin */ usleep_range(1000, 2000); - ret |= lp5521_read(client, LP5521_REG_OP_MODE, &mode); + ret2 = lp5521_read(client, LP5521_REG_OP_MODE, &mode); + if (ret2 < 0) + return ret2; + + ret |= ret2; /* For loading, all the engines to load mode */ lp5521_write(client, LP5521_REG_OP_MODE, LP5521_CMD_DIRECT); @@ -692,7 +697,12 @@ static int __devinit lp5521_probe(struct i2c_client *client, * otherwise further access to the R G B channels in the * LP5521_REG_ENABLE register will not have any effect - strange! */ - lp5521_read(client, LP5521_REG_R_CURRENT, &buf); + ret = lp5521_read(client, LP5521_REG_R_CURRENT, &buf); + if (ret) { + dev_err(&client->dev, "error in reading chip\n"); + goto fail2; + } + if (buf != LP5521_REG_R_CURR_DEFAULT) { dev_err(&client->dev, "error in reseting chip\n"); goto fail2; -- 1.7.7.3
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