| Message ID | 20170709220916.GA5222@embeddedgus (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/drivers/media/common/saa7146/saa7146_i2c.c b/drivers/media/common/saa7146/saa7146_i2c.c index 239a2db..75897f9 100644 --- a/drivers/media/common/saa7146/saa7146_i2c.c +++ b/drivers/media/common/saa7146/saa7146_i2c.c @@ -395,7 +395,7 @@ static int saa7146_i2c_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, in /* i2c-adapter helper functions */ /* exported algorithm data */ -static struct i2c_algorithm saa7146_algo = { +static const struct i2c_algorithm saa7146_algo = { .master_xfer = saa7146_i2c_xfer, .functionality = saa7146_i2c_func, };
Check for i2c_algorithm structures that are only stored in the algo field of an i2c_adapter structure. This field is declared const, so i2c_algorithm structures that have this property can be declared as const also. This issue was identified using Coccinelle and the following semantic patch: @r disable optional_qualifier@ identifier i; position p; @@ static struct i2c_algorithm i@p = { ... }; @ok@ identifier r.i; struct i2c_adapter e; position p; @@ e.algo = &i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct i2c_algorithm i = { ... }; Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> --- drivers/media/common/saa7146/saa7146_i2c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)