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authorAlex Shi <alex.shi@linaro.org>2015-03-10 09:33:40 +0800
committerAlex Shi <alex.shi@linaro.org>2015-03-10 09:48:38 +0800
commit42f504e28a169ebfea0e3d9c6e151451800e41d5 (patch)
treed01c160e4e9a5c094e91706ab60651e26098fb60 /kernel
parentc810fcb930d9c705774427bb6eb551b2e1108adb (diff)
parent389fb5fb0b8b812ce0e853d5eca748b08fc73289 (diff)
Merge tag 'v3.10.71' into linux-linaro-lsk
This is the 3.10.71 stable release Conflicts: arch/arm64/kernel/setup.c
Diffstat (limited to 'kernel')
-rw-r--r--kernel/debug/kdb/kdb_main.c2
-rw-r--r--kernel/smpboot.c2
-rw-r--r--kernel/time/ntp.c10
-rw-r--r--kernel/trace/trace.c2
4 files changed, 11 insertions, 5 deletions
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 00eb8f7fbf41..545241de23bf 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -2532,7 +2532,7 @@ static int kdb_summary(int argc, const char **argv)
#define K(x) ((x) << (PAGE_SHIFT - 10))
kdb_printf("\nMemTotal: %8lu kB\nMemFree: %8lu kB\n"
"Buffers: %8lu kB\n",
- val.totalram, val.freeram, val.bufferram);
+ K(val.totalram), K(val.freeram), K(val.bufferram));
return 0;
}
diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index 02fc5c933673..7020eecb398b 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -279,6 +279,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread)
unsigned int cpu;
int ret = 0;
+ get_online_cpus();
mutex_lock(&smpboot_threads_lock);
for_each_online_cpu(cpu) {
ret = __smpboot_create_thread(plug_thread, cpu);
@@ -291,6 +292,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread)
list_add(&plug_thread->list, &hotplug_threads);
out:
mutex_unlock(&smpboot_threads_lock);
+ put_online_cpus();
return ret;
}
EXPORT_SYMBOL_GPL(smpboot_register_percpu_thread);
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 28db9bedc857..6211d5d6d465 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -631,10 +631,14 @@ int ntp_validate_timex(struct timex *txc)
if ((txc->modes & ADJ_SETOFFSET) && (!capable(CAP_SYS_TIME)))
return -EPERM;
- if (txc->modes & ADJ_FREQUENCY) {
- if (LONG_MIN / PPM_SCALE > txc->freq)
+ /*
+ * Check for potential multiplication overflows that can
+ * only happen on 64-bit systems:
+ */
+ if ((txc->modes & ADJ_FREQUENCY) && (BITS_PER_LONG == 64)) {
+ if (LLONG_MIN / PPM_SCALE > txc->freq)
return -EINVAL;
- if (LONG_MAX / PPM_SCALE < txc->freq)
+ if (LLONG_MAX / PPM_SCALE < txc->freq)
return -EINVAL;
}
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 18cdf91b2f85..8d7e8098e768 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4588,7 +4588,7 @@ tracing_mark_write(struct file *filp, const char __user *ubuf,
*fpos += written;
out_unlock:
- for (i = 0; i < nr_pages; i++){
+ for (i = nr_pages - 1; i >= 0; i--) {
kunmap_atomic(map_page[i]);
put_page(pages[i]);
}