137 	char *cbuff = NULL;  in sl_alloc_bufs()  local
164 	cbuff = kmalloc(len + 4, GFP_KERNEL);  in sl_alloc_bufs()
165 	if (cbuff == NULL)  in sl_alloc_bufs()
184 	cbuff = xchg(&sl->cbuff, cbuff);  in sl_alloc_bufs()
197 	kfree(cbuff);  in sl_alloc_bufs()
212 	kfree(xchg(&sl->cbuff, NULL));  in sl_free_bufs()
227 	unsigned char *cbuff;  local
242 	cbuff = kmalloc(len + 4, GFP_ATOMIC);
247 	if (xbuff == NULL || rbuff == NULL || cbuff == NULL)  {
267 	cbuff    = xchg(&sl->cbuff, cbuff);
300 	kfree(cbuff);
391 		len = slhc_compress(sl->slcomp, p, len, sl->cbuff, &p, 1);