D26816.id.diff
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	Index: head/sys/compat/linprocfs/linprocfs.c
	===================================================================
	--- head/sys/compat/linprocfs/linprocfs.c
	+++ head/sys/compat/linprocfs/linprocfs.c
	@@ -1276,6 +1276,27 @@
	}

	/*
	+ * Filler function for proc/pid/mem
	+ */
	+static int
	+linprocfs_doprocmem(PFS_FILL_ARGS)
	+{
	+ ssize_t resid;
	+ int error;
	+
	+ resid = uio->uio_resid;
	+ error = procfs_doprocmem(PFS_FILL_ARGNAMES);
	+
	+ if (uio->uio_rw == UIO_READ && resid != uio->uio_resid)
	+ return (0);
	+
	+ if (error == EFAULT)
	+ error = EIO;
	+
	+ return (error);
	+}
	+
	+/*
	* Criteria for interface name translation
	*/
	#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
	@@ -1853,7 +1874,7 @@
	NULL, &procfs_notsystem, NULL, 0);
	pfs_create_file(dir, "maps", &linprocfs_doprocmaps,
	NULL, NULL, NULL, PFS_RD);
	- pfs_create_file(dir, "mem", &procfs_doprocmem,
	+ pfs_create_file(dir, "mem", &linprocfs_doprocmem,
	procfs_attr_rw, &procfs_candebug, NULL, PFS_RDWR \| PFS_RAW);
	pfs_create_file(dir, "mounts", &linprocfs_domtab,
	NULL, NULL, NULL, PFS_RD);