From: David Hildenbrand <david@redhat.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
Thomas Huth <thuth@redhat.com>,
Janosch Frank <frankja@linux.ibm.com>,
David Hildenbrand <david@redhat.com>,
Cornelia Huck <cohuck@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
Halil Pasic <pasic@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
qemu-s390x@nongnu.org
Subject: [PATCH v1] s390x/mmu: Remove duplicate check for MMU_DATA_STORE
Date: Thu, 17 Oct 2019 14:19:22 +0200 [thread overview]
Message-ID: <20191017121922.18840-1-david@redhat.com> (raw)
No need to double-check if we have a write.
Found by Coverity (CID: 1381016).
Fixes: 31b59419069e ("target/s390x: Return exception from mmu_translate_real")
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
target/s390x/mmu_helper.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c
index 90b81335f9..c9f3f34750 100644
--- a/target/s390x/mmu_helper.c
+++ b/target/s390x/mmu_helper.c
@@ -556,9 +556,7 @@ int mmu_translate_real(CPUS390XState *env, target_ulong raddr, int rw,
*flags |= PAGE_WRITE_INV;
if (is_low_address(raddr) && rw == MMU_DATA_STORE) {
/* LAP sets bit 56 */
- *tec = (raddr & TARGET_PAGE_MASK)
- | (rw == MMU_DATA_STORE ? FS_WRITE : FS_READ)
- | 0x80;
+ *tec = (raddr & TARGET_PAGE_MASK) | FS_WRITE | 0x80;
return PGM_PROTECTION;
}
}
--
2.21.0
next reply other threads:[~2019-10-17 12:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-17 12:19 David Hildenbrand [this message]
2019-10-17 12:20 ` [PATCH v1] s390x/mmu: Remove duplicate check for MMU_DATA_STORE David Hildenbrand
2019-10-17 13:14 ` Richard Henderson
2019-10-17 14:18 ` Cornelia Huck
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