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| author | Randy Dunlap <randy.dunlap@oracle.com> | 2006-12-07 07:38:23 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-07 19:39:39 +0300 |
| commit | 9d69b7d3d115d0db3ddd87f09e496db7ecf72650 (patch) | |
| tree | 451e9009bf2c215c4d090424f9998d13f0a11959 /drivers/message/i2o/i2o_config.c | |
| parent | d3228a887cae75ef2b8b1211c31c539bef5a5698 (diff) | |
| download | linux-9d69b7d3d115d0db3ddd87f09e496db7ecf72650.tar.xz | |
[PATCH] I2O: handle __copy_from_user
Handle __copy_from_user() return value.
Noticed by inspection, not from build warning.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/message/i2o/i2o_config.c')
| -rw-r--r-- | drivers/message/i2o/i2o_config.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index 7d23e082bf26..685d7a450720 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -265,7 +265,11 @@ static int i2o_cfg_swdl(unsigned long arg) return -ENOMEM; } - __copy_from_user(buffer.virt, kxfer.buf, fragsize); + if (__copy_from_user(buffer.virt, kxfer.buf, fragsize)) { + i2o_msg_nop(c, msg); + i2o_dma_free(&c->pdev->dev, &buffer); + return -EFAULT; + } msg->u.head[0] = cpu_to_le32(NINE_WORD_MSG_SIZE | SGL_OFFSET_7); msg->u.head[1] = |