[media] kernel:kfifo: export __kfifo_max_r symbol
kfifo_avail expands to __kfifo_max_r which is not an exported symbol.
Any kernel module using kfifo_avail will result in build failures
because of this.
This patch just exports __kfifo_max_r symbol to fix such problems in
future.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Acked-by: Stefani Seibold <stefani@seibold.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/kernel/kfifo.c b/kernel/kfifo.c
index c744b88..59dcf5b 100644
--- a/kernel/kfifo.c
+++ b/kernel/kfifo.c
@@ -402,6 +402,7 @@
return max;
return len;
}
+EXPORT_SYMBOL(__kfifo_max_r);
#define __KFIFO_PEEK(data, out, mask) \
((data)[(out) & (mask)])