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hwsim: Fix netlink attribute size calculation

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The name attribute in the NEW RADIO command needs at least 4 bytes for
the attribute header (struct nlattr), all the characters of the name
string and a NUL byte, and up to 3 bytes of alignment padding.
Otherwise, depending on the name length and whether the NO_VIF attribute
was the last, that attribute could end up being dropped and we were
ending up with too many interfaces inside test-runner.
This commit is contained in:
Andrew Zaborowski 2017-03-14 00:51:17 +01:00 committed by Denis Kenzior
parent ba5d5430e1
commit ea9edc1f99
1 changed files with 1 additions and 1 deletions
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2
tools/hwsim.c
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@ -2090,7 +2090,7 @@ static void hwsim_ready(void *user_data)
msg_size += 4;
if (radio_name_attr)
msg_size += strlen(radio_name_attr) + 1;
msg_size += strlen(radio_name_attr) + 8;
if (no_vif_attr)
msg_size += 4;