[PATCH 047/141] staging: unisys: memregion: Eliminate unnecessary 'requested' flag
Benjamin Romer
benjamin.romer at unisys.com
Tue May 5 22:36:24 UTC 2015
From: Jes Sorensen <Jes.Sorensen at redhat.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen at redhat.com>
Signed-off-by: Benjamin Romer <benjamin.romer at unisys.com>
---
drivers/staging/unisys/visorutil/memregion_direct.c | 14 +++-----------
1 file changed, 3 insertions(+), 11 deletions(-)
diff --git a/drivers/staging/unisys/visorutil/memregion_direct.c b/drivers/staging/unisys/visorutil/memregion_direct.c
index 7ba68bc..0ee7cb2 100644
--- a/drivers/staging/unisys/visorutil/memregion_direct.c
+++ b/drivers/staging/unisys/visorutil/memregion_direct.c
@@ -29,7 +29,6 @@ struct memregion {
HOSTADDRESS physaddr;
ulong nbytes;
void __iomem *mapped;
- BOOL requested;
};
static int mapit(struct memregion *memregion);
@@ -67,16 +66,12 @@ mapit(struct memregion *memregion)
ulong physaddr = (ulong)(memregion->physaddr);
ulong nbytes = memregion->nbytes;
- memregion->requested = FALSE;
if (!request_mem_region(physaddr, nbytes, MYDRVNAME))
return -EBUSY;
- memregion->requested = TRUE;
memregion->mapped = ioremap_cache(physaddr, nbytes);
- if (!memregion->mapped) {
- memregion->requested = TRUE;
+ if (!memregion->mapped)
return -EFAULT;
- }
return 0;
}
@@ -84,14 +79,11 @@ mapit(struct memregion *memregion)
static void
unmapit(struct memregion *memregion)
{
- if (memregion->mapped != NULL) {
+ if (memregion->mapped) {
iounmap(memregion->mapped);
memregion->mapped = NULL;
- }
- if (memregion->requested) {
- release_mem_region((ulong)(memregion->physaddr),
+ release_mem_region((unsigned long)memregion->physaddr,
memregion->nbytes);
- memregion->requested = FALSE;
}
}
--
2.1.4
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