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s390/zcrypt: switch return type to bool for ap_instructions_available()

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Function ap_instructions_available() had returntype int but
in fact returned 1 for true and 0 for false. Changed returntype
to bool.

Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Harald Freudenberger 2018-08-17 09:01:09 +02:00 committed by Martin Schwidefsky
parent 28b7465376
commit 9b97e9f555
1 changed files with 3 additions and 3 deletions
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6
arch/s390/include/asm/ap.h
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@ -49,9 +49,9 @@ struct ap_queue_status {
/**
* ap_intructions_available() - Test if AP instructions are available.
*
* Returns 1 if the AP instructions are installed, otherwise 0.
* Returns true if the AP instructions are installed, otherwise false.
*/
static inline int ap_instructions_available(void)
static inline bool ap_instructions_available(void)
{
register unsigned long reg0 asm ("0") = AP_MKQID(0, 0);
register unsigned long reg1 asm ("1") = 0;
@ -65,7 +65,7 @@ static inline int ap_instructions_available(void)
: "+d" (reg1), "+d" (reg2)
: "d" (reg0)
: "cc");
return reg1;
return reg1 != 0;
}
/**