Inconsistent use of size argument in kzalloc and memcpy in 'drivers/net/ethernet/toshiba/ps3_gelic_wireless.c'
Christophe JAILLET
christophe.jaillet at wanadoo.fr
Mon Apr 11 20:00:04 AEST 2016
Hi,
while looking at potential clean-up, I ended on the following code which
looks spurious to me.
We allocate 'be16_to_cpu(scan_info->size)' bytes, but then copy
'scan_info->size'.
This is not consistent.
I don't know which one is the correct one.
CJ
--- drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
+++ /tmp/cocci-output-24201-0dddbd-ps3_gelic_wireless.c
@@ -1616,13 +1616,10 @@ static void gelic_wl_scan_complete_event
target->valid = 1;
target->eurus_index = i;
kfree(target->hwinfo);
- target->hwinfo = kzalloc(be16_to_cpu(scan_info->size),
- GFP_KERNEL);
if (!target->hwinfo)
continue;
/* copy hw scan info */
- memcpy(target->hwinfo, scan_info, scan_info->size);
target->essid_len = strnlen(scan_info->essid,
sizeof(scan_info->essid));
target->rate_len = 0;
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