drivers/misc/sgi-gru/grukdump.c: unlocking should be conditional in gru_dump_context()

I was reviewing this and noticed that unlocking should be conditional on
the error path.  I've changed it to unlock and return directly since we
only do it once and it seems unlikely to change in the near future.

Signed-off-by: Dan Carpenter <[email protected]>
Acked-by: Dimitri Sivanich <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Dan Carpenter 2014-02-10 14:25:30 -08:00 • committed by Linus Torvalds
commit 49d3d6c37a

View file

@ -139,8 +139,11 @@ static int gru_dump_context(struct gru_state *gru, int ctxnum,
ubuf += sizeof(hdr);
ubufcch = ubuf;
if (gru_user_copy_handle(&ubuf, cch))
goto fail;
if (gru_user_copy_handle(&ubuf, cch)) {
if (cch_locked)
unlock_cch_handle(cch);
return -EFAULT;
}
if (cch_locked)
ubufcch->delresp = 0;
bytes = sizeof(hdr) + GRU_CACHE_LINE_BYTES;
@ -179,10 +182,6 @@ static int gru_dump_context(struct gru_state *gru, int ctxnum,
ret = -EFAULT;
return ret ? ret : bytes;
fail:
unlock_cch_handle(cch);
return -EFAULT;
}
int gru_dump_chiplet_request(unsigned long arg)