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authorJan Glauber <jang@linux.vnet.ibm.com>2009-06-22 12:08:15 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-06-22 12:08:21 +0200
commit6618241b47cd131503610d8df68dd6f4948e5c1a (patch)
tree819e61b72ca0538a499779793afdc6e5b950f10c /arch/s390
parentf0a0b15e0f3aff0a25f21f58bef8e40e80b16dc6 (diff)
downloadlinux-6618241b47cd131503610d8df68dd6f4948e5c1a.tar.bz2
[S390] qdio: Sanitize do_QDIO sanity checks
Remove unneeded sanity checks from do_QDIO since this is the hot path. Change the type of bufnr and count to unsigned int so the check for the maximum value works. Reported-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/qdio.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index 402d6dcf0d26..79d849f014f0 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -380,7 +380,7 @@ extern int qdio_establish(struct qdio_initialize *);
extern int qdio_activate(struct ccw_device *);
extern int do_QDIO(struct ccw_device *cdev, unsigned int callflags,
- int q_nr, int bufnr, int count);
+ int q_nr, unsigned int bufnr, unsigned int count);
extern int qdio_cleanup(struct ccw_device*, int);
extern int qdio_shutdown(struct ccw_device*, int);
extern int qdio_free(struct ccw_device *);