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authorStefan Schmidt <stefan@datenfreihafen.org>2018-08-06 10:04:48 +0300
committerStefan Schmidt <stefan@datenfreihafen.org>2018-08-06 10:04:48 +0300
commita30461080366214b690a367225a48c95d7a6a189 (patch)
tree02cd7cfb8cea14cebe1ab2a1638edd8c9b9e0d3f /drivers/ata/libahci.c
parent811e299f4645588cc7a1b78d97b6847c155324b9 (diff)
parent981467033a37d916649647fa3afe1fe99bba1817 (diff)
downloadlinux-a30461080366214b690a367225a48c95d7a6a189.tar.xz
Merge remote-tracking branch 'net-next/master'
Diffstat (limited to 'drivers/ata/libahci.c')
-rw-r--r--drivers/ata/libahci.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 965842a08743..09620c2ffa0f 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -35,6 +35,7 @@
#include <linux/kernel.h>
#include <linux/gfp.h>
#include <linux/module.h>
+#include <linux/nospec.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
@@ -1146,10 +1147,12 @@ static ssize_t ahci_led_store(struct ata_port *ap, const char *buf,
/* get the slot number from the message */
pmp = (state & EM_MSG_LED_PMP_SLOT) >> 8;
- if (pmp < EM_MAX_SLOTS)
+ if (pmp < EM_MAX_SLOTS) {
+ pmp = array_index_nospec(pmp, EM_MAX_SLOTS);
emp = &pp->em_priv[pmp];
- else
+ } else {
return -EINVAL;
+ }
/* mask off the activity bits if we are in sw_activity
* mode, user should turn off sw_activity before setting