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-rw-r--r--security/integrity/ima/ima_crypto.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
index 63003a63aaee..46642a19bc78 100644
--- a/security/integrity/ima/ima_crypto.c
+++ b/security/integrity/ima/ima_crypto.c
@@ -45,9 +45,9 @@ int ima_calc_hash(struct file *file, char *digest)
45{ 45{
46 struct hash_desc desc; 46 struct hash_desc desc;
47 struct scatterlist sg[1]; 47 struct scatterlist sg[1];
48 loff_t i_size; 48 loff_t i_size, offset = 0;
49 char *rbuf; 49 char *rbuf;
50 int rc, offset = 0; 50 int rc;
51 51
52 rc = init_desc(&desc); 52 rc = init_desc(&desc);
53 if (rc != 0) 53 if (rc != 0)
@@ -67,6 +67,8 @@ int ima_calc_hash(struct file *file, char *digest)
67 rc = rbuf_len; 67 rc = rbuf_len;
68 break; 68 break;
69 } 69 }
70 if (rbuf_len == 0)
71 break;
70 offset += rbuf_len; 72 offset += rbuf_len;
71 sg_init_one(sg, rbuf, rbuf_len); 73 sg_init_one(sg, rbuf, rbuf_len);
72 74