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-rw-r--r--include/asm-s390/cio.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/asm-s390/cio.h b/include/asm-s390/cio.h
index cabd5bb74b5..d9278503098 100644
--- a/include/asm-s390/cio.h
+++ b/include/asm-s390/cio.h
@@ -278,7 +278,10 @@ struct ccw_dev_id {
static inline int ccw_dev_id_is_equal(struct ccw_dev_id *dev_id1,
struct ccw_dev_id *dev_id2)
{
- return !memcmp(dev_id1, dev_id2, sizeof(struct ccw_dev_id));
+ if ((dev_id1->ssid == dev_id2->ssid) &&
+ (dev_id1->devno == dev_id2->devno))
+ return 1;
+ return 0;
}
extern int diag210(struct diag210 *addr);