crypto: talitos - Fix return type of current_desc_hdr()

current_desc_hdr() returns a u32 but in fact this is a __be32,
leading to a lot of sparse warnings.

Change the return type to __be32 and ensure it is handled as
sure by the caller.

Fixes: 3e721aeb3df3 ("crypto: talitos - handle descriptor not found in error path")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 1de6b01..a713a35 100644 (file)
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -460,7 +460,7 @@ DEF_TALITOS2_DONE(ch1_3, TALITOS2_ISR_CH_1_3_DONE)
 /*
  * locate current (offending) descriptor
  */
-static u32 current_desc_hdr(struct device *dev, int ch)
+static __be32 current_desc_hdr(struct device *dev, int ch)
 {
        struct talitos_private *priv = dev_get_drvdata(dev);
        int tail, iter;
@@ -501,13 +501,13 @@ static u32 current_desc_hdr(struct device *dev, int ch)
 /*
  * user diagnostics; report root cause of error based on execution unit status
  */
-static void report_eu_error(struct device *dev, int ch, u32 desc_hdr)
+static void report_eu_error(struct device *dev, int ch, __be32 desc_hdr)
 {
        struct talitos_private *priv = dev_get_drvdata(dev);
        int i;
 
        if (!desc_hdr)
-               desc_hdr = in_be32(priv->chan[ch].reg + TALITOS_DESCBUF);
+               desc_hdr = cpu_to_be32(in_be32(priv->chan[ch].reg + TALITOS_DESCBUF));
 
        switch (desc_hdr & DESC_HDR_SEL0_MASK) {
        case DESC_HDR_SEL0_AFEU: