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Fix a memory leak on mesh_attr_text() error path

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Should there not be enough room in the output buffer, the
bss_basic_rate_set line would not be printed. This error case was
handled otherwise, but the temporary memory allocation for building the
information was not freed.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-04-19 11:57:05 +03:00
parent d4c4ec9240
commit c9bf7b6623
1 changed files with 4 additions and 3 deletions
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7
wpa_supplicant/mesh.c
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@ -453,22 +453,23 @@ static int mesh_attr_text(const u8 *ies, size_t ies_len, char *buf, char *end)
ret = os_snprintf(pos, end - pos, "bss_basic_rate_set=%d",
bss_basic_rate_set[0]);
if (os_snprintf_error(end - pos, ret))
return pos - buf;
goto fail;
pos += ret;
for (i = 1; i < bss_basic_rate_set_len; i++) {
ret = os_snprintf(pos, end - pos, " %d",
bss_basic_rate_set[i]);
if (os_snprintf_error(end - pos, ret))
return pos - buf;
goto fail;
pos += ret;
}
ret = os_snprintf(pos, end - pos, "\n");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
goto fail;
pos += ret;
}
fail:
os_free(bss_basic_rate_set);
return pos - buf;