CIFS: Pass page offset for calculating signature (4c0d2a5a) · Commits · 戴 / test

When calculating signature for the packet, it needs to read into the correct page offset for the data. Signed-off-by:

fs/cifs/cifsencrypt.c

+5 −4

Original line number	Diff line number	Diff line
		@@ -66,11 +66,12 @@ int __cifs_calc_signature(struct smb_rqst *rqst,

		/* now hash over the rq_pages array */
		for (i = 0; i < rqst->rq_npages; i++) {
		void *kaddr = kmap(rqst->rq_pages[i]);
		size_t len = rqst->rq_pagesz;
		void *kaddr;
		unsigned int len, offset;

		if (i == rqst->rq_npages - 1)
		len = rqst->rq_tailsz;
		rqst_page_get_length(rqst, i, &len, &offset);

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

		crypto_shash_update(shash, kaddr, len);