On Sun, 20 Dec 2015, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Sun, 20 Dec 2015 09:09:34 +0100
>
> The data type "int" was used by the variable "result" in the
> function "posix_clock_poll" even though the type "uint" will usually
> be needed for the return value from a call of the function which was
> assigned to the pointer "poll" of the variable "clk".
> Reuse the type from this poll call instead.
Why use uint when the function return type it unsigned int?
On the other hand, why is the function return type unsigned int when there
is a return of a negative constant?
julia
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> ---
> kernel/time/posix-clock.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c
> index ce033c7..ac0b733 100644
> --- a/kernel/time/posix-clock.c
> +++ b/kernel/time/posix-clock.c
> @@ -69,7 +69,7 @@ static ssize_t posix_clock_read(struct file *fp, char __user *buf,
> static unsigned int posix_clock_poll(struct file *fp, poll_table *wait)
> {
> struct posix_clock *clk = get_posix_clock(fp);
> - int result = 0;
> + uint result = 0;
>
> if (!clk)
> return -ENODEV;
> --
> 2.6.3
>
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