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media: flexcop-i2c: Constify struct i2c_algorithm

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'struct i2c_algorithm' is not modified in this driver.

Constifying this structure moves some data to a read-only section, so
increase overall security, especially when the structure holds some
function pointers.

On a x86_64, with allmodconfig, as an example:
Before:
======
   text	   data	    bss	    dec	    hex	filename
   6645	    216	     16	   6877	   1add	drivers/media/common/b2c2/flexcop-i2c.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
   6721	    160	     16	   6897	   1af1	drivers/media/common/b2c2/flexcop-i2c.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Christophe JAILLET
2025-03-29 15:26:42 +01:00
committed by Hans Verkuil
parent ad7fbb1624
commit 065eb4d262
1 changed files with 1 additions and 1 deletions
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2
drivers/media/common/b2c2/flexcop-i2c.c
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@@ -209,7 +209,7 @@ static u32 flexcop_i2c_func(struct i2c_adapter *adapter)
return I2C_FUNC_I2C;
}
static struct i2c_algorithm flexcop_algo = {
static const struct i2c_algorithm flexcop_algo = {
.master_xfer = flexcop_master_xfer,
.functionality = flexcop_i2c_func,
};