aboutsummaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2018-03-14 20:23:25 +0100
committerThomas Gleixner <tglx@linutronix.de>2018-03-14 20:23:25 +0100
commit745dd37f9d67c75d6cf1a1bebfcca71bdeb7a34c (patch)
treee556543ed86b7f49e4972d8ea048ff9e46592b4d /lib
parent02428742639bc3300c8c527b054d0ec0bdf5571d (diff)
parent18a955219bf7d9008ce480d4451b6b8bf4483a22 (diff)
Merge branch 'x86/urgent' into x86/mm to pick up dependencies
Diffstat (limited to 'lib')
-rw-r--r--lib/bug.c4
-rw-r--r--lib/dma-debug.c10
-rw-r--r--lib/idr.c13
-rw-r--r--lib/test_bpf.c4
-rw-r--r--lib/test_kmod.c2
5 files changed, 19 insertions, 14 deletions
diff --git a/lib/bug.c b/lib/bug.c
index c1b0fad31b10..1077366f496b 100644
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -150,6 +150,8 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
return BUG_TRAP_TYPE_NONE;
bug = find_bug(bugaddr);
+ if (!bug)
+ return BUG_TRAP_TYPE_NONE;
file = NULL;
line = 0;
@@ -191,7 +193,7 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
if (file)
pr_crit("kernel BUG at %s:%u!\n", file, line);
else
- pr_crit("Kernel BUG at %p [verbose debug info unavailable]\n",
+ pr_crit("Kernel BUG at %pB [verbose debug info unavailable]\n",
(void *)bugaddr);
return BUG_TRAP_TYPE_BUG;
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 1b34d210452c..7f5cdc1e6b29 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -1491,12 +1491,12 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size,
if (unlikely(virt == NULL))
return;
- entry = dma_entry_alloc();
- if (!entry)
+ /* handle vmalloc and linear addresses */
+ if (!is_vmalloc_addr(virt) && !virt_addr_valid(virt))
return;
- /* handle vmalloc and linear addresses */
- if (!is_vmalloc_addr(virt) && !virt_to_page(virt))
+ entry = dma_entry_alloc();
+ if (!entry)
return;
entry->type = dma_debug_coherent;
@@ -1528,7 +1528,7 @@ void debug_dma_free_coherent(struct device *dev, size_t size,
};
/* handle vmalloc and linear addresses */
- if (!is_vmalloc_addr(virt) && !virt_to_page(virt))
+ if (!is_vmalloc_addr(virt) && !virt_addr_valid(virt))
return;
if (is_vmalloc_addr(virt))
diff --git a/lib/idr.c b/lib/idr.c
index 99ec5bc89d25..823b813f08f8 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -36,8 +36,8 @@ int idr_alloc_u32(struct idr *idr, void *ptr, u32 *nextid,
{
struct radix_tree_iter iter;
void __rcu **slot;
- int base = idr->idr_base;
- int id = *nextid;
+ unsigned int base = idr->idr_base;
+ unsigned int id = *nextid;
if (WARN_ON_ONCE(radix_tree_is_internal_node(ptr)))
return -EINVAL;
@@ -204,10 +204,11 @@ int idr_for_each(const struct idr *idr,
radix_tree_for_each_slot(slot, &idr->idr_rt, &iter, 0) {
int ret;
+ unsigned long id = iter.index + base;
- if (WARN_ON_ONCE(iter.index > INT_MAX))
+ if (WARN_ON_ONCE(id > INT_MAX))
break;
- ret = fn(iter.index + base, rcu_dereference_raw(*slot), data);
+ ret = fn(id, rcu_dereference_raw(*slot), data);
if (ret)
return ret;
}
@@ -230,8 +231,8 @@ void *idr_get_next(struct idr *idr, int *nextid)
{
struct radix_tree_iter iter;
void __rcu **slot;
- int base = idr->idr_base;
- int id = *nextid;
+ unsigned long base = idr->idr_base;
+ unsigned long id = *nextid;
id = (id < base) ? 0 : id - base;
slot = radix_tree_iter_find(&idr->idr_rt, &iter, id);
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index b4e22345963f..2efb213716fa 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -24,10 +24,11 @@
#include <linux/if_vlan.h>
#include <linux/random.h>
#include <linux/highmem.h>
+#include <linux/sched.h>
/* General test specific settings */
#define MAX_SUBTESTS 3
-#define MAX_TESTRUNS 10000
+#define MAX_TESTRUNS 1000
#define MAX_DATA 128
#define MAX_INSNS 512
#define MAX_K 0xffffFFFF
@@ -6582,6 +6583,7 @@ static __init int test_bpf(void)
struct bpf_prog *fp;
int err;
+ cond_resched();
if (exclude_test(i))
continue;
diff --git a/lib/test_kmod.c b/lib/test_kmod.c
index e372b97eee13..0e5b7a61460b 100644
--- a/lib/test_kmod.c
+++ b/lib/test_kmod.c
@@ -1141,7 +1141,7 @@ static struct kmod_test_device *register_test_dev_kmod(void)
mutex_lock(&reg_dev_mutex);
/* int should suffice for number of devices, test for wrap */
- if (unlikely(num_test_devs + 1) < 0) {
+ if (num_test_devs + 1 == INT_MAX) {
pr_err("reached limit of number of test devices\n");
goto out;
}