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| author |   Takashi Iwai <tiwai@suse.de> | 2023-08-15 21:01:12 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-08-18 12:18:15 +0200 |
| commit | 70e969eb235ee6a030ff140b1852b598bf66f9c8 (patch) | |
| tree | d56f6ae54797192759644647cf6d013e68dd61d5 /lib/iov_iter.c | |
| parent | ALSA: hda/tas2781: Add tas2781 HDA driver (diff) | |
| download | wireguard-linux-70e969eb235ee6a030ff140b1852b598bf66f9c8.tar.xz wireguard-linux-70e969eb235ee6a030ff140b1852b598bf66f9c8.zip | |
iov_iter: Export import_ubuf()
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+iB4ZMD2BqjwGHA@mail.gmail.com
Link: https://lore.kernel.org/r/20230815190136.8987-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'lib/iov_iter.c')
| -rw-r--r-- | lib/iov_iter.c | 1 |
1 files changed, 1 insertions, 0 deletions
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 |