From: Adrian Hunter <adrian.hunter@intel.com>
Date: Tue, 4 Nov 2014 10:42:37 +0000 (+0200)
Subject: mmc: sdhci: Fix ADMA table size warning
X-Git-Tag: firefly_0821_release~176^2~2782^2~67
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b521cf34bb6b4d38d66176f7cd7337846ac27342;p=firefly-linux-kernel-4.4.55.git

mmc: sdhci: Fix ADMA table size warning

The intent of the warning is to warn if the ADMA table
overflows.  However there can be one more 'end' entry
so the condition should be adjusted accordingly.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index e7593578d5b2..4436f77f5d38 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -555,7 +555,7 @@ static int sdhci_adma_table_pre(struct sdhci_host *host,
 		 * If this triggers then we have a calculation bug
 		 * somewhere. :/
 		 */
-		WARN_ON((desc - host->adma_desc) > ADMA_SIZE);
+		WARN_ON((desc - host->adma_desc) >= ADMA_SIZE);
 	}
 
 	if (host->quirks & SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC) {