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-rw-r--r--crypto/xts.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/crypto/xts.c b/crypto/xts.c
index baeb34dd8582..c976bfac29da 100644
--- a/crypto/xts.c
+++ b/crypto/xts.c
@@ -230,8 +230,11 @@ static int init_crypt(struct skcipher_request *req, crypto_completion_t done)
subreq->cryptlen = XTS_BUFFER_SIZE;
if (req->cryptlen > XTS_BUFFER_SIZE) {
- subreq->cryptlen = min(req->cryptlen, (unsigned)PAGE_SIZE);
- rctx->ext = kmalloc(subreq->cryptlen, gfp);
+ unsigned int n = min(req->cryptlen, (unsigned int)PAGE_SIZE);
+
+ rctx->ext = kmalloc(n, gfp);
+ if (rctx->ext)
+ subreq->cryptlen = n;
}
rctx->src = req->src;