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Diffstat (limited to 'fs/squashfs/decompressor.c')
-rw-r--r--fs/squashfs/decompressor.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/squashfs/decompressor.c b/fs/squashfs/decompressor.c
index 234291f79ba5..ac22fe73b0ad 100644
--- a/fs/squashfs/decompressor.c
+++ b/fs/squashfs/decompressor.c
@@ -30,6 +30,7 @@
#include "squashfs_fs_sb.h"
#include "decompressor.h"
#include "squashfs.h"
+#include "page_actor.h"
/*
* This file (and decompressor.h) implements a decompressor framework for
@@ -87,6 +88,7 @@ static void *get_comp_opts(struct super_block *sb, unsigned short flags)
{
struct squashfs_sb_info *msblk = sb->s_fs_info;
void *buffer = NULL, *comp_opts;
+ struct squashfs_page_actor *actor = NULL;
int length = 0;
/*
@@ -99,9 +101,14 @@ static void *get_comp_opts(struct super_block *sb, unsigned short flags)
goto out;
}
- length = squashfs_read_data(sb, &buffer,
- sizeof(struct squashfs_super_block), 0, NULL,
- PAGE_CACHE_SIZE, 1);
+ actor = squashfs_page_actor_init(&buffer, 1, 0);
+ if (actor == NULL) {
+ comp_opts = ERR_PTR(-ENOMEM);
+ goto out;
+ }
+
+ length = squashfs_read_data(sb,
+ sizeof(struct squashfs_super_block), 0, NULL, actor);
if (length < 0) {
comp_opts = ERR_PTR(length);
@@ -112,6 +119,7 @@ static void *get_comp_opts(struct super_block *sb, unsigned short flags)
comp_opts = squashfs_comp_opts(msblk, buffer, length);
out:
+ kfree(actor);
kfree(buffer);
return comp_opts;
}