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Commit a12d0c59 authored by Paulo Alcantara's avatar Paulo Alcantara Committed by Steve French
Browse files

cifs: Make sure all data pages are signed correctly 



Check if every data page is signed correctly in sigining helper.

Signed-off-by: default avatarPaulo Alcantara <palcantara@suse.de>
Reviewed-by: default avatarRonnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 256b4c3f

fs/cifs/cifsencrypt.c

+7 −1
Original line number Diff line number Diff line
@@ -83,7 +83,13 @@ int __cifs_calc_signature(struct smb_rqst *rqst, 


		kaddr = (char *) kmap(rqst->rq_pages[i]) + offset;



		crypto_shash_update(shash, kaddr, len);

		rc = crypto_shash_update(shash, kaddr, len);

		if (rc) {

			cifs_dbg(VFS, "%s: Could not update with payload\n",

				 __func__);

			kunmap(rqst->rq_pages[i]);

			return rc;

		}



		kunmap(rqst->rq_pages[i]);

	}