[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 <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index df05df1a0ef6..3d6fc82c2cfc 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -544,8 +544,7 @@ int i2c_bit_add_bus(struct i2c_adapter *adap)
         adap->timeout = 100;    /* default values, should       */
         adap->retries = 3;      /* be replaced by defines       */
 
-        i2c_add_adapter(adap);
-        return 0;
+        return i2c_add_adapter(adap);
 }