ChangeSet 1.1003.36.3, 2003/07/15 15:21:31-07:00, [EMAIL PROTECTED]
[PATCH] USB: fix check for SCN_MAX_MNR in scanner driver
When checking if all minors are used don't read beyond
p_scn_table (Sergey Vlasov).
drivers/usb/scanner.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
diff -Nru a/drivers/usb/scanner.c b/drivers/usb/scanner.c
--- a/drivers/usb/scanner.c Thu Aug 28 14:50:39 2003
+++ b/drivers/usb/scanner.c Thu Aug 28 14:50:39 2003
@@ -370,6 +370,8 @@
* 0.4.14 2003-07-15
* - Added vendor/product ids for Avision, Canon, HP, Microtek and Relisys
* scanners.
+ * - When checking if all minors are used don't read beyond p_scn_table
+ * (Sergey Vlasov).
*
* TODO
* - Performance
@@ -982,7 +984,7 @@
}
/* Check to make sure that the last slot isn't already taken */
- if (p_scn_table[scn_minor]) {
+ if (scn_minor >= SCN_MAX_MNR) {
err("probe_scanner: No more minor devices remaining.");
up(&scn_mutex);
return NULL;
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