diff options
Diffstat (limited to 'fs/squashfs/decompressor.c')
| -rw-r--r-- | fs/squashfs/decompressor.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/squashfs/decompressor.c b/fs/squashfs/decompressor.c index 234291f79ba..ac22fe73b0a 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; } |