Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Better checking on *buf bounds, should eliminate possible problems (which aren't at all likely).

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16499 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Bryan Varner 2006-02-23 00:10:16 +00:00
parent 866d738a05
commit 43d0f55b38
1 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/add-ons/kernel/drivers/power/acpi_ns_dump/acpi_ns_dump.c
View File

@ -148,12 +148,17 @@ my_device_read (void* cookie, off_t position, void *buf, size_t* num_bytes)
{
size_t bytes = 0;
if (position > 0) {
*num_bytes = 0;
} else {
if (position == 0) { // First read
dump_acpi_namespace("\\", buf, &bytes, 0);
*num_bytes = bytes;
dprintf("num_bytes %lu\n", *num_bytes);
if (bytes <= *num_bytes) {
*num_bytes = bytes;
dprintf("acpi_ns_dump: read %lu bytes\n", *num_bytes);
} else {
*num_bytes = 0;
return B_IO_ERROR;
}
} else {
*num_bytes = 0;
}
return B_OK;