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authorJason Gunthorpe <jgg@mellanox.com>2018-08-16 21:08:18 +0200
committerJason Gunthorpe <jgg@mellanox.com>2018-08-16 21:12:00 +0200
commit89982f7ccee2fcd8fea7936b81eec6defbf0f131 (patch)
treefc553c8d008d24595ad7de0ea0f3b56f656da27c /drivers/ata/libahci.c
parentRDMA/hns: Fix usage of bitmap allocation functions return values (diff)
parentLinux 4.18 (diff)
downloadlinux-89982f7ccee2fcd8fea7936b81eec6defbf0f131.tar.xz
linux-89982f7ccee2fcd8fea7936b81eec6defbf0f131.zip
Merge tag 'v4.18' into rdma.git for-next
Resolve merge conflicts from the -rc cycle against the rdma.git tree: Conflicts: drivers/infiniband/core/uverbs_cmd.c - New ifs added to ib_uverbs_ex_create_flow in -rc and for-next - Merge removal of file->ucontext in for-next with new code in -rc drivers/infiniband/core/uverbs_main.c - for-next removed code from ib_uverbs_write() that was modified in for-rc Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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