net: mana: Check if netdev/napi_alloc_frag returns single page
authorHaiyang Zhang <haiyangz@microsoft.com>
Fri, 21 Apr 2023 17:06:58 +0000 (10:06 -0700)
committerJakub Kicinski <kuba@kernel.org>
Tue, 25 Apr 2023 01:08:34 +0000 (18:08 -0700)
commitdf18f2da302f169e1a29098c6ca3b474f1b0269e
treeb2ce11edb5f102ae29e5c918fac15c6a43cb3623
parent5c74064f43c291d9add2b436a2d70205b71a7cc7
net: mana: Check if netdev/napi_alloc_frag returns single page

netdev/napi_alloc_frag() may fall back to single page which is smaller
than the requested size.
Add error checking to avoid memory overwritten.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ethernet/microsoft/mana/mana_en.c