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staging: unisys: Fix sparse error - accessing __iomem directly

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Copy the channel type into a temporary buffer so that code will work
for architectures that don't support MMIO. This now works in same way
as other tests in same function.

Signed-off-by: Luke Hart <luke.hart@birchleys.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luke Hart 2014-09-12 10:48:33 +01:00 committed by Greg Kroah-Hartman
parent cec78b98df
commit 635ecc5f36
1 changed files with 7 additions and 3 deletions
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10
drivers/staging/unisys/common-spar/include/channels/channel.h
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@ -347,10 +347,13 @@ ULTRA_check_channel_client(void __iomem *pChannel,
u64 expectedSignature,
char *fileName, int lineNumber, void *logCtx)
{
if (uuid_le_cmp(expectedTypeGuid, NULL_UUID_LE) != 0)
if (uuid_le_cmp(expectedTypeGuid, NULL_UUID_LE) != 0) {
uuid_le guid;
ioread8_rep(&((CHANNEL_HEADER __iomem *)(pChannel))->Type,
&guid, sizeof(guid));
/* caller wants us to verify type GUID */
if (uuid_le_cmp((((CHANNEL_HEADER __iomem *)(pChannel))->Type),
expectedTypeGuid) != 0) {
if (uuid_le_cmp(guid, expectedTypeGuid) != 0) {
CHANNEL_GUID_MISMATCH(expectedTypeGuid, channelName,
"type", expectedTypeGuid,
((CHANNEL_HEADER __iomem *)
@ -358,6 +361,7 @@ ULTRA_check_channel_client(void __iomem *pChannel,
lineNumber, logCtx);
return 0;
}
}
if (expectedMinBytes > 0) /* caller wants us to verify
* channel size */
if (readq(&((CHANNEL_HEADER __iomem *)