From b39ad0cf7c19fc14e8f823b1b36245f7a3711655 Mon Sep 17 00:00:00 2001 From: "Mark M. Hoffman" Date: Sat, 1 Jul 2006 17:16:06 +0200 Subject: [PATCH] i2c: Handle i2c_add_adapter failure in i2c algorithm drivers Content-Disposition: inline; filename=i2c-algo-error-handling-fix.patch It is possible for i2c_add_adapter() to fail. Several I2C algorithm drivers ignore that fact. This (compile-tested only) patch fixes them. Signed-off-by: Mark M. Hoffman Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/algos/i2c-algo-pca.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/i2c/algos/i2c-algo-pca.c') diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index 82946acab4c7..b88a6fcf7bd0 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -374,10 +374,10 @@ int i2c_pca_add_bus(struct i2c_adapter *adap) adap->timeout = 100; /* default values, should */ adap->retries = 3; /* be replaced by defines */ - rval = pca_init(pca_adap); + if ((rval = pca_init(pca_adap))) + return rval; - if (!rval) - i2c_add_adapter(adap); + rval = i2c_add_adapter(adap); return rval; } -- cgit v1.2.3