From: Cliff Cai <cliff.cai@xxxxxxxxxx>
v2-v3:
- when it is mmu arch, we define the dummy function to NULL
v1-v2:
- only adding this dummy function in nommu arch
Cc: Mike Frysinger <vapier.adi@xxxxxxxxx>
Signed-off-by: Cliff Cai <cliff.cai@xxxxxxxxxx>
Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
---
sound/core/pcm_native.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index c49b9d9..e2068a4 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3391,6 +3391,16 @@ out:
}
#endif /* CONFIG_SND_SUPPORT_OLD_API */
+#ifndef CONFIG_MMU
+unsigned long dummy_get_unmapped_area(struct file *file, unsigned long addr,
+ unsigned long len, unsigned long pgoff, unsigned long flags)
+{
+ return 0;
+}
+#else
+# define dummy_get_unmapped_area NULL
+#endif
+
/*
* Register section
*/
@@ -3407,6 +3417,7 @@ const struct file_operations snd_pcm_f_ops[2] = {
.compat_ioctl = snd_pcm_ioctl_compat,
.mmap = snd_pcm_mmap,
.fasync = snd_pcm_fasync,
+ .get_unmapped_area = dummy_get_unmapped_area,
},
{
.owner = THIS_MODULE,
@@ -3419,5 +3430,6 @@ const struct file_operations snd_pcm_f_ops[2] = {
.compat_ioctl = snd_pcm_ioctl_compat,
.mmap = snd_pcm_mmap,
.fasync = snd_pcm_fasync,
+ .get_unmapped_area = dummy_get_unmapped_area,
}
};
--
1.5.6
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