diff --git a/Documentation/DocBook/media/dvb/demux.xml b/Documentation/DocBook/media/dvb/demux.xml
index e5058d7d9213..37c17908aa40 100644
--- a/Documentation/DocBook/media/dvb/demux.xml
+++ b/Documentation/DocBook/media/dvb/demux.xml
@@ -552,13 +552,6 @@ typedef enum {
&return-value-dvb;
-EBADF
-
-fd is not a valid file descriptor.
-
-
EINVAL
@@ -615,14 +608,6 @@ typedef enum {
&return-value-dvb;
-
-EBADF
-
-fd is not a valid file descriptor.
-
-
@@ -677,21 +662,6 @@ typedef enum {
&return-value-dvb;
-
-EBADF
-
-fd is not a valid file descriptor.
-
-
-EINVAL
-
-Invalid argument.
-
-
@@ -751,20 +721,6 @@ typedef enum {
&return-value-dvb;
-EBADF
-
-fd is not a valid file descriptor.
-
-
-EINVAL
-
-Invalid argument.
-
-
EBUSY
@@ -820,22 +776,6 @@ typedef enum {
&return-value-dvb;
-
-EBADF
-
-fd is not a valid file descriptor.
-
-
-ENOMEM
-
-The driver was not able to allocate a buffer of the
- requested size.
-
-
@@ -894,20 +834,6 @@ typedef enum {
&return-value-dvb;
-EBADF
-
-fd is not a valid file descriptor.
-
-
-EFAULT
-
-ev points to an invalid address.
-
-
EWOULDBLOCK
@@ -967,20 +893,6 @@ typedef enum {
&return-value-dvb;
-EBADF
-
-fd is not a valid file descriptor.
-
-
-EFAULT
-
-stc points to an invalid address.
-
-
EINVAL
diff --git a/Documentation/DocBook/media/v4l/gen-errors.xml b/Documentation/DocBook/media/v4l/gen-errors.xml
index d970f080f88d..c9818799764d 100644
--- a/Documentation/DocBook/media/v4l/gen-errors.xml
+++ b/Documentation/DocBook/media/v4l/gen-errors.xml
@@ -48,6 +48,11 @@
that this request would overcommit the usb bandwidth reserved
for periodic transfers (up to 80% of the USB bandwidth).
+
+ EWOULDBLOCK
+ Operation would block. Used when the ioctl would need to wait
+ for an event, but the device was opened in non-blocking mode.
+