From: Kees Cook <keescook@chromium.org>
Date: Mon, 18 Feb 2013 20:02:34 +0000 (-0800)
Subject: libkmod: fix address argument to mmap calls
X-Git-Tag: v13~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c3e8d269466ab02e4c4a928f9f5af222f1138725;p=platform%2Fupstream%2Fkmod.git

libkmod: fix address argument to mmap calls

The first argument to mmap should be "NULL" instead of "0".
---

diff --git a/libkmod/libkmod-file.c b/libkmod/libkmod-file.c
index 219c63b..5313796 100644
--- a/libkmod/libkmod-file.c
+++ b/libkmod/libkmod-file.c
@@ -255,7 +255,8 @@ static int load_reg(struct kmod_file *file)
 		return -errno;
 
 	file->size = st.st_size;
-	file->memory = mmap(0, file->size, PROT_READ, MAP_PRIVATE, file->fd, 0);
+	file->memory = mmap(NULL, file->size, PROT_READ, MAP_PRIVATE,
+			    file->fd, 0);
 	if (file->memory == MAP_FAILED)
 		return -errno;
 	file->direct = true;
diff --git a/libkmod/libkmod-index.c b/libkmod/libkmod-index.c
index 516240e..d386f00 100644
--- a/libkmod/libkmod-index.c
+++ b/libkmod/libkmod-index.c
@@ -801,9 +801,9 @@ struct index_mm *index_mm_open(struct kmod_ctx *ctx, const char *filename,
 	if ((size_t) st.st_size < sizeof(hdr))
 		goto fail_nommap;
 
-	if ((idx->mm = mmap(0, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0))
+	if ((idx->mm = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0))
 							== MAP_FAILED) {
-		ERR(ctx, "mmap(0, %"PRIu64", PROT_READ, %d, MAP_PRIVATE, 0): %m\n",
+		ERR(ctx, "mmap(NULL, %"PRIu64", PROT_READ, %d, MAP_PRIVATE, 0): %m\n",
 							st.st_size, fd);
 		goto fail_nommap;
 	}