From: Randy Dunlap <[email protected]>
Handle __copy_from_user() return value.
Noticed by inspection, not from build warning.
Signed-off-by: Randy Dunlap <[email protected]>
---
drivers/message/i2o/i2o_config.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- linux-2619-rc5mm2.orig/drivers/message/i2o/i2o_config.c
+++ linux-2619-rc5mm2/drivers/message/i2o/i2o_config.c
@@ -265,7 +265,11 @@ static int i2o_cfg_swdl(unsigned long ar
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] =
---
-
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