Export import_ubuf() to be used in sound subsystem for generic memory handling as Linus suggested. It's used for constructing an iov_iter of a single segment user-space copy for PCM data.
Cc: Alexander Viro viro@zeniv.linux.org.uk Link: https://lore.kernel.org/r/CAHk-=wh-mUL6mp4chAc6E_UjwpPLyCPRCJK+iB4ZMD2BqjwGH... Signed-off-by: Takashi Iwai tiwai@suse.de --- lib/iov_iter.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/lib/iov_iter.c b/lib/iov_iter.c index e4dc809d1075..3743bbcbbb89 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -1544,6 +1544,7 @@ int import_ubuf(int rw, void __user *buf, size_t len, struct iov_iter *i) iov_iter_ubuf(i, rw, buf, len); return 0; } +EXPORT_SYMBOL_GPL(import_ubuf);
/** * iov_iter_restore() - Restore a &struct iov_iter to the same state as when