From 32be4c5b0fd2679b488619fe7dc8a15ef477a38a Mon Sep 17 00:00:00 2001
From: Hadar Gat <hadar.gat@arm.com>
Date: Tue, 15 Jan 2019 15:43:12 +0200
Subject: [PATCH] crypto: ccree - add error message
Add error message in case of too many mlli entries.
Signed-off-by: Hadar Gat <hadar.gat@arm.com>
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
drivers/crypto/ccree/cc_buffer_mgr.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/ccree/cc_buffer_mgr.c b/drivers/crypto/ccree/cc_buffer_mgr.c
index 32d2df36ced20..237a87a578302 100644
--- a/drivers/crypto/ccree/cc_buffer_mgr.c
+++ b/drivers/crypto/ccree/cc_buffer_mgr.c
@@ -156,8 +156,11 @@ static int cc_render_buff_to_mlli(struct device *dev, dma_addr_t buff_dma,
/* Verify there is no memory overflow*/
new_nents = (*curr_nents + buff_size / CC_MAX_MLLI_ENTRY_SIZE + 1);
- if (new_nents > MAX_NUM_OF_TOTAL_MLLI_ENTRIES)
+ if (new_nents > MAX_NUM_OF_TOTAL_MLLI_ENTRIES) {
+ dev_err(dev, "Too many mlli entries. current %d max %d\n",
+ new_nents, MAX_NUM_OF_TOTAL_MLLI_ENTRIES);
return -ENOMEM;
+ }
/*handle buffer longer than 64 kbytes */
while (buff_size > CC_MAX_MLLI_ENTRY_SIZE) {
--
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