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0eac9abace
Our hardware has a limited amount of buffer descriptors
for each Tx packet. Because of that, there is a short
piece of code that makes sure that that we don't push too
many subframes in an A-MSDU because of subframes needs 2
buffer descriptors. This code also takes into account the
number of fragment of the skb since we also need a buffer
descriptor for each fragment in the skb.
This piece of code though didn't check that the resulting
number of subframes wasn't 0.
A user reported that using NFS client, he could get skbs
that are so fragmented that the code mentioned above
returned 0 for the number of subframes making
skb_gso_segment fail and subconsequently iwlwifi would WARN.
Fix this by make sure that num_subframes is at least 1.
This fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=199209
Fixes:
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|---|---|---|
| .. | ||
| admtek | ||
| ath | ||
| atmel | ||
| broadcom | ||
| cisco | ||
| intel | ||
| intersil | ||
| marvell | ||
| mediatek | ||
| quantenna | ||
| ralink | ||
| realtek | ||
| rsi | ||
| st | ||
| ti | ||
| zydas | ||
| Kconfig | ||
| mac80211_hwsim.c | ||
| mac80211_hwsim.h | ||
| Makefile | ||
| ray_cs.c | ||
| ray_cs.h | ||
| rayctl.h | ||
| rndis_wlan.c | ||
| wl3501_cs.c | ||
| wl3501.h | ||