mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

net: ipa: fix page free in ipa_endpoint_replenish_one() 

Currently the (possibly compound) pages used for receive buffers are
freed using __free_pages().  But according to this comment above the
definition of that function, that's wrong:
    If you want to use the page's reference count to decide
    when to free the allocation, you should allocate a compound
    page, and use put_page() instead of __free_pages().

Convert the call to __free_pages() in ipa_endpoint_replenish_one()
to use put_page() instead.

Fixes: 6a606b9015 ("net: ipa: allocate transaction in replenish loop")
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Alex Elder 2022-05-26 10:23:14 -05:00 committed by Jakub Kicinski
parent 155c0c90bc
commit 70132763d5
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ipa/ipa_endpoint.c
View File

@ -1095,7 +1095,7 @@ static int ipa_endpoint_replenish_one(struct ipa_endpoint *endpoint,
ret = gsi_trans_page_add(trans, page, len, offset);
if (ret)
__free_pages(page, get_order(buffer_size));
put_page(page);
else
trans->data = page; /* transaction owns page now */