[ALSA] sparse address space annotations

ALSA Core,RawMidi Midlevel,ALSA<-OSS emulation,ALSA sequencer
RME32 driver,RME96 driver,EMU10K1/EMU10K2 driver,NM256 driver
Add sparse annotations where we do strange this with __iomem/__user
pointers.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

1 files changed, 5 insertions, 2 deletions

diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index d8f76afd284..bd106625a78 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -413,7 +413,9 @@ static ssize_t snd_seq_read(struct file *file, char __user *buf, size_t count, l
                         }
                         count -= sizeof(snd_seq_event_t);
                         buf += sizeof(snd_seq_event_t);
-                        err = snd_seq_expand_var_event(&cell->event, count, (char *)buf, 0, sizeof(snd_seq_event_t));
+                        err = snd_seq_expand_var_event(&cell->event, count,
+                                                       (char __force *)buf, 0,
+                                                       sizeof(snd_seq_event_t));
                         if (err < 0)
                                 break;
                         result += err;
@@ -1009,7 +1011,8 @@ static ssize_t snd_seq_write(struct file *file, const char __user *buf, size_t c
                         }
                         /* set user space pointer */
                         event.data.ext.len = extlen | SNDRV_SEQ_EXT_USRPTR;
-                        event.data.ext.ptr = (char*)buf + sizeof(snd_seq_event_t);
+                        event.data.ext.ptr = (char __force *)buf
+                                                + sizeof(snd_seq_event_t);
                         len += extlen; /* increment data length */
                 } else {
 #ifdef CONFIG_COMPAT