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[Minios-devel] [UNIKRAFT PATCH v5 4/4] lib/ukswrand: Fix uk_swrand_fill_buffer to fill the entire buffer


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  • From: Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
  • Date: Wed, 27 Nov 2019 12:41:50 +0000
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  • Cc: "felipe.huici@xxxxxxxxx" <felipe.huici@xxxxxxxxx>, "simon.kuenzer@xxxxxxxxx" <simon.kuenzer@xxxxxxxxx>, Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
  • Delivery-date: Wed, 27 Nov 2019 12:42:13 +0000
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  • Thread-topic: [UNIKRAFT PATCH v5 4/4] lib/ukswrand: Fix uk_swrand_fill_buffer to fill the entire buffer

From: Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>

uk_swrand_fill_buffer fills only 1 byte per step. We fix this
by casting the buffer to __u32 *.

Signed-off-by: Vlad-Andrei Badoiu <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
Reviewed-by: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
---
 lib/ukswrand/swrand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ukswrand/swrand.c b/lib/ukswrand/swrand.c
index ca267bf0..1225f66b 100644
--- a/lib/ukswrand/swrand.c
+++ b/lib/ukswrand/swrand.c
@@ -66,7 +66,7 @@ ssize_t uk_swrand_fill_buffer(void *buf, size_t buflen)
        chunk_size = buflen % step;
 
        for (i = 0; i < buflen - chunk_size; i += step)
-               *((char *) buf + i) = uk_swrand_randr();
+               *(__u32 *)((char *) buf + i) = uk_swrand_randr();
 
        /* fill the remaining bytes of the buffer */
        if (chunk_size > 0) {
-- 
2.20.1

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