[patch] git: fix memory leaks in update-cache.c

[Ingo Molnar]

this patch fixes two memory leaks in update-cache.c: we didnt free the 
temporary input and output buffers used for compression.

        Ingo

Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>

--- update-cache.c.orig
+++ update-cache.c
@@ -23,13 +23,17 @@ static int index_fd(const char *path, in
        void *metadata = malloc(namelen + 200);
        void *in;
        SHA_CTX c;
+       int ret;
 
        in = "";
        if (size)
                in = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
        close(fd);
-       if (!out || (int)(long)in == -1)
+       if (!out || (int)(long)in == -1) {
+               free(out);
+               free(metadata);
                return -1;
+       }
 
        memset(&stream, 0, sizeof(stream));
        deflateInit(&stream, Z_BEST_COMPRESSION);
@@ -58,7 +62,12 @@ static int index_fd(const char *path, in
        SHA1_Update(&c, out, stream.total_out);
        SHA1_Final(ce->sha1, &c);
 
-       return write_sha1_buffer(ce->sha1, out, stream.total_out);
+       ret = write_sha1_buffer(ce->sha1, out, stream.total_out);
+               
+       free(out);
+       free(metadata);
+
+       return ret;
 }
 
 /*
-
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