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| author | Al Viro <viro@zeniv.linux.org.uk> | 2019-10-17 20:39:21 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-11-06 00:04:03 -0500 |
| commit | c35a5cfb41509c2214228aa321509ffd91cbf063 (patch) | |
| tree | d048d4a53a89eb168c390cf9e1d79b12ddd9312d /drivers/mailbox/mtk-cmdq-mailbox.c | |
| parent | 062c9d4527ccbdbf49139607efd44c9c3f82a2fd (diff) | |
scsi: sg: sg_read(): simplify reading ->pack_id of userland sg_io_hdr_t
We don't need to allocate a temporary buffer and read the entire structure
in it, only to fetch a single field and free what we'd allocated. Just use
get_user() and be done with it...
Link: https://lore.kernel.org/r/20191017193925.25539-4-viro@ZenIV.linux.org.uk
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/mailbox/mtk-cmdq-mailbox.c')
0 files changed, 0 insertions, 0 deletions