On Thu, 2009-04-30 at 09:04 +0300, Sergey Senozhatsky wrote:
> Trivial: fixing gcc 4.4 compiler warning:
> drivers/scsi/st.c: In function ‘st_int_ioctl’:
> drivers/scsi/st.c:2967: warning: suggest parentheses around operand of ‘!’ or change ‘|’ to ‘||’ or ‘!’ to ‘~’
>
> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxx>
>
> ---
>
> diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
> index eb24efe..2bde8a5 100644
> --- a/drivers/scsi/st.c
> +++ b/drivers/scsi/st.c
> @@ -2964,7 +2964,7 @@ static int st_int_ioctl(struct scsi_tape *STp, unsigned int cmd_in, unsigned lon
> !(STp->use_pf & PF_TESTED)) {
> /* Try the other possible state of Page Format if not
> already tried */
> - STp->use_pf = !STp->use_pf | PF_TESTED;
> + STp->use_pf = (!STp->use_pf) | PF_TESTED;
This just doesn't look right. As I said to the warning reporter, I
think STp->use_pf |= PF_TESTED; is the correct fix, but I need Kai to
check this.
James
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