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-rw-r--r--fs/squashfs/lzo_wrapper.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/squashfs/lzo_wrapper.c b/fs/squashfs/lzo_wrapper.c
index e1f86de..5d87789 100644
--- a/fs/squashfs/lzo_wrapper.c
+++ b/fs/squashfs/lzo_wrapper.c
@@ -40,13 +40,15 @@ struct squashfs_lzo {
static void *lzo_init(struct squashfs_sb_info *msblk)
{
+ int block_size = max_t(int, msblk->block_size, SQUASHFS_METADATA_SIZE);
+
struct squashfs_lzo *stream = kzalloc(sizeof(*stream), GFP_KERNEL);
if (stream == NULL)
goto failed;
- stream->input = vmalloc(msblk->block_size);
+ stream->input = vmalloc(block_size);
if (stream->input == NULL)
goto failed;
- stream->output = vmalloc(msblk->block_size);
+ stream->output = vmalloc(block_size);
if (stream->output == NULL)
goto failed2;
@@ -80,7 +82,7 @@ static int lzo_uncompress(struct squashfs_sb_info *msblk, void **buffer,
struct squashfs_lzo *stream = msblk->stream;
void *buff = stream->input;
int avail, i, bytes = length, res;
- size_t out_len = msblk->block_size;
+ size_t out_len = srclength;
mutex_lock(&msblk->read_data_mutex);
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