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scst_event: Avoid that payload lengths above 0x80000000 cause trouble (detected by smatch)

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6599 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2015-11-06 17:54:00 +00:00
parent b6440a0d3b
commit 40db391c12
1 changed files with 2 additions and 2 deletions
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4
scst/src/scst_event.c
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@@ -545,12 +545,12 @@ static int scst_event_get_event_from_user(void __user *arg,
struct scst_event_entry **out_event_entry)
{
int res, rc, event_entry_len;
int32_t payload_len;
uint32_t payload_len;
struct scst_event_entry *event_entry;
TRACE_ENTRY();
res = get_user(payload_len, (int32_t __user *)arg);
res = get_user(payload_len, (uint32_t __user *)arg);
if (res != 0) {
PRINT_ERROR("Failed to get payload len: %d", res);
goto out;