Commit d5531f37 authored May 13, 2015 by Don Zickus Committed by Greg Kroah-Hartman May 24, 2015

staging: unisys: Add checks for creation



There was a bunch of channel creation checks before the
visorchannel_create function was called, moving some of those
checks inside.  This keeps the outside code cleaner and handles
the situation where a caller forgets to make these checks.

Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 4f6d8a97

drivers/staging/unisys/visorbus/visorchannel.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -62,6 +62,9 @@ visorchannel_create_guts(u64 physaddr, unsigned long channel_bytes,
		int err;
		size_t size = sizeof(struct channel_header);

		if (physaddr == 0)
		return NULL;

		channel = kzalloc(sizeof(*channel), gfp);
		if (!channel)
		goto cleanup;