[S] Change in coreboot[master]: util/cbfstool: fix memory leak in compress.c

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/69021 )

Change subject: util/cbfstool: fix memory leak in compress.c
......................................................................

util/cbfstool: fix memory leak in compress.c

free the memory allocated in lz4_compress
function before returning from it.

Reported-by: Coverity (CID:1469433)

Signed-off-by: Solomon Alan-Dei 
Change-Id: I8698090d519964348e51fc3b6f2023d06d81fcd5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69021
Tested-by: build bot (Jenkins) 
Reviewed-by: Julius Werner 
---
M util/cbfstool/compress.c
1 file changed, 22 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Julius Werner: Looks good to me, approved

diff --git a/util/cbfstool/compress.c b/util/cbfstool/compress.c
index 37fac22..96df1a7 100644
--- a/util/cbfstool/compress.c
+++ b/util/cbfstool/compress.c
@@ -23,9 +23,12 @@
    if (!bounce)
    	return -1;
    *out_len = LZ4F_compressFrame(bounce, worst_size, in, in_len, &prefs);
-	if (LZ4F_isError(*out_len) || *out_len >= in_len)
+	if (LZ4F_isError(*out_len) || *out_len >= in_len) {
+		free(bounce);
    	return -1;
+	}
    memcpy(out, bounce, *out_len);
+	free(bounce);
    return 0;
 }