X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=lib%2Fdecompress_unlz4.c;h=e6327391b6b66350af40846c0c48733de04ce291;hb=4ea90317956718e0648e1f87e56530db809a5a04;hp=c0cfcfd486be00a5887b930b967c3d61b6f0a0b6;hpb=e27a24210aa17b8a0cd462865130fe73afd7e001;p=linux-2.6-microblaze.git

diff --git a/lib/decompress_unlz4.c b/lib/decompress_unlz4.c
index c0cfcfd486be..e6327391b6b6 100644
--- a/lib/decompress_unlz4.c
+++ b/lib/decompress_unlz4.c
@@ -112,6 +112,9 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 				error("data corrupted");
 				goto exit_2;
 			}
+		} else if (size < 4) {
+			/* empty or end-of-file */
+			goto exit_3;
 		}
 
 		chunksize = get_unaligned_le32(inp);
@@ -125,6 +128,10 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 			continue;
 		}
 
+		if (!fill && chunksize == 0) {
+			/* empty or end-of-file */
+			goto exit_3;
+		}
 
 		if (posp)
 			*posp += 4;
@@ -184,6 +191,7 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 		}
 	}
 
+exit_3:
 	ret = 0;
 exit_2:
 	if (!input)