Re: [PATCH] i2o/memory.c : Use kstrdup

From: Alan Cox
Date: Tue Jun 10 2014 - 12:45:50 EST


On Tue, 2014-06-10 at 21:41 +0530, Himangi Saraogi wrote:
> Use kstrdup when the goal of an allocation is copy a string into the
> allocated region.
>
> The Coccinelle semantic patch that makes this change is as follows:
>
> // <smpl>
> @@
> expression from,to;
> expression flag,E1,E2;
> statement S;
> @@
>
> - to = kmalloc(strlen(from) + 1,flag);
> + to = kstrdup(from, flag);
> ... when != \(from = E1 \| to = E1 \)
> if (to==NULL || ...) S
> ... when != \(from = E2 \| to = E2 \)
> - strcpy(to, from);
> // </smpl>
>
> Signed-off-by: Himangi Saraogi <himangi774@xxxxxxxxx>
> ---
> To send to: linux-kernel@xxxxxxxxxxxxxxx
> drivers/message/i2o/memory.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)


I no longer have any I2O hardware so I'm unable to test this. Looks
right but does anyone actually still use these drivers ????

Alan


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