[alsa-devel] [PATCH] ASoC: compress: fix unsigned integer overflow check

[Srinivas Kandagatla]

From: Xiaojun Sang <xsang at codeaurora.org>

Parameter fragments and fragment_size are type of u32. U32_MAX is
the correct check.

Signed-off-by: Xiaojun Sang <xsang at codeaurora.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
---
 sound/core/compress_offload.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 41905afada63..f34ce564d92c 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -528,7 +528,7 @@ static int snd_compress_check_input(struct snd_compr_params *params)
 {
 	/* first let's check the buffer parameter's */
 	if (params->buffer.fragment_size == 0 ||
-	    params->buffer.fragments > INT_MAX / params->buffer.fragment_size ||
+	    params->buffer.fragments > U32_MAX / params->buffer.fragment_size ||
 	    params->buffer.fragments == 0)
 		return -EINVAL;
 
-- 
2.21.0