Re: [PATCH 1/4] fix not-and/or errors

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On Wed, Oct 17, 2007 at 03:46:43PM +0200, Roel Kluin wrote:
> +++ b/drivers/misc/asus-laptop.c
> @@ -322,7 +322,7 @@ static void write_status(acpi_handle handle, int out, int mask)
>  
>  	switch (mask) {
>  	case MLED_ON:
> -		out = !out & 0x1;
> +		out = !(out & 0x1);

Not sure if that's what had been intended.

> @@ -2882,7 +2882,7 @@ 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);

Wrong.  This code, ugly as it is, happens to be correct.  Replacement
isn't.  I would rewrite it as ^= PF_TESTED | USE_PF; /* remove USE_PF, set *
						      * PF_TESTED */

The rest is covered by Alexey's patch and one I'd posted as followup.
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