| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Mon, 5 May 2014 19:44:31 +0200
From: Fabian Frederick <fabf@...net.be>
To: linux-kernel <linux-kernel@...r.kernel.org>
Cc: Eric Biederman <ebiederm@...ssion.com>,
akpm <akpm@...ux-foundation.org>
Subject: [PATCH 1/1] kernel/kexec.c: convert printk to pr_foo()
+ some pr_warning -> pr_warn and checkpatch warning fixes
Cc: Eric Biederman <ebiederm@...ssion.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Fabian Frederick <fabf@...net.be>
---
kernel/kexec.c | 69 +++++++++++++++++++++++++++-------------------------------
1 file changed, 32 insertions(+), 37 deletions(-)
diff --git a/kernel/kexec.c b/kernel/kexec.c
index c8380ad..4d7a678 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -125,8 +125,8 @@ static struct page *kimage_alloc_page(struct kimage *image,
unsigned long dest);
static int do_kimage_alloc(struct kimage **rimage, unsigned long entry,
- unsigned long nr_segments,
- struct kexec_segment __user *segments)
+ unsigned long nr_segments,
+ struct kexec_segment __user *segments)
{
size_t segment_bytes;
struct kimage *image;
@@ -257,13 +257,13 @@ static int kimage_normal_alloc(struct kimage **rimage, unsigned long entry,
image->control_code_page = kimage_alloc_control_pages(image,
get_order(KEXEC_CONTROL_PAGE_SIZE));
if (!image->control_code_page) {
- printk(KERN_ERR "Could not allocate control_code_buffer\n");
+ pr_err("Could not allocate control_code_buffer\n");
goto out_free;
}
image->swap_page = kimage_alloc_control_pages(image, 0);
if (!image->swap_page) {
- printk(KERN_ERR "Could not allocate swap buffer\n");
+ pr_err("Could not allocate swap buffer\n");
goto out_free;
}
@@ -332,7 +332,7 @@ static int kimage_crash_alloc(struct kimage **rimage, unsigned long entry,
image->control_code_page = kimage_alloc_control_pages(image,
get_order(KEXEC_CONTROL_PAGE_SIZE));
if (!image->control_code_page) {
- printk(KERN_ERR "Could not allocate control_code_buffer\n");
+ pr_err("Could not allocate control_code_buffer\n");
goto out_free;
}
@@ -621,8 +621,8 @@ static void kimage_terminate(struct kimage *image)
#define for_each_kimage_entry(image, ptr, entry) \
for (ptr = &image->head; (entry = *ptr) && !(entry & IND_DONE); \
- ptr = (entry & IND_INDIRECTION)? \
- phys_to_virt((entry & PAGE_MASK)): ptr +1)
+ ptr = (entry & IND_INDIRECTION) ? \
+ phys_to_virt((entry & PAGE_MASK)) : ptr + 1)
static void kimage_free_entry(kimage_entry_t entry)
{
@@ -650,8 +650,7 @@ static void kimage_free(struct kimage *image)
* done with it.
*/
ind = entry;
- }
- else if (entry & IND_SOURCE)
+ } else if (entry & IND_SOURCE)
kimage_free_entry(entry);
}
/* Free the final indirection page */
@@ -774,8 +773,7 @@ static struct page *kimage_alloc_page(struct kimage *image,
addr = old_addr;
page = old_page;
break;
- }
- else {
+ } else {
/* Place the page on the destination list I
* will use it later.
*/
@@ -1059,7 +1057,7 @@ COMPAT_SYSCALL_DEFINE4(kexec_load, compat_ulong_t, entry,
return -EINVAL;
ksegments = compat_alloc_user_space(nr_segments * sizeof(out));
- for (i=0; i < nr_segments; i++) {
+ for (i = 0; i < nr_segments; i++) {
result = copy_from_user(&in, &segments[i], sizeof(in));
if (result)
return -EFAULT;
@@ -1214,14 +1212,14 @@ void crash_save_cpu(struct pt_regs *regs, int cpu)
* squirrelled away. ELF notes happen to provide
* all of that, so there is no need to invent something new.
*/
- buf = (u32*)per_cpu_ptr(crash_notes, cpu);
+ buf = (u32 *)per_cpu_ptr(crash_notes, cpu);
if (!buf)
return;
memset(&prstatus, 0, sizeof(prstatus));
prstatus.pr_pid = current->pid;
elf_core_copy_kernel_regs(&prstatus.pr_reg, regs);
buf = append_elf_note(buf, KEXEC_CORE_NOTE_NAME, NT_PRSTATUS,
- &prstatus, sizeof(prstatus));
+ &prstatus, sizeof(prstatus));
final_note(buf);
}
@@ -1230,8 +1228,7 @@ static int __init crash_notes_memory_init(void)
/* Allocate memory for saving cpu registers. */
crash_notes = alloc_percpu(note_buf_t);
if (!crash_notes) {
- printk("Kexec: Memory allocation for saving cpu register"
- " states failed\n");
+ pr_warn("Kexec: Memory allocation for saving cpu register states failed\n");
return -ENOMEM;
}
return 0;
@@ -1253,10 +1250,10 @@ subsys_initcall(crash_notes_memory_init);
*
* The function returns 0 on success and -EINVAL on failure.
*/
-static int __init parse_crashkernel_mem(char *cmdline,
- unsigned long long system_ram,
- unsigned long long *crash_size,
- unsigned long long *crash_base)
+static int __init parse_crashkernel_mem(char *cmdline,
+ unsigned long long system_ram,
+ unsigned long long *crash_size,
+ unsigned long long *crash_base)
{
char *cur = cmdline, *tmp;
@@ -1267,12 +1264,12 @@ static int __init parse_crashkernel_mem(char *cmdline,
/* get the start of the range */
start = memparse(cur, &tmp);
if (cur == tmp) {
- pr_warning("crashkernel: Memory value expected\n");
+ pr_warn("crashkernel: Memory value expected\n");
return -EINVAL;
}
cur = tmp;
if (*cur != '-') {
- pr_warning("crashkernel: '-' expected\n");
+ pr_warn("crashkernel: '-' expected\n");
return -EINVAL;
}
cur++;
@@ -1281,31 +1278,30 @@ static int __init parse_crashkernel_mem(char *cmdline,
if (*cur != ':') {
end = memparse(cur, &tmp);
if (cur == tmp) {
- pr_warning("crashkernel: Memory "
- "value expected\n");
+ pr_warn("crashkernel: Memory value expected\n");
return -EINVAL;
}
cur = tmp;
if (end <= start) {
- pr_warning("crashkernel: end <= start\n");
+ pr_warn("crashkernel: end <= start\n");
return -EINVAL;
}
}
if (*cur != ':') {
- pr_warning("crashkernel: ':' expected\n");
+ pr_warn("crashkernel: ':' expected\n");
return -EINVAL;
}
cur++;
size = memparse(cur, &tmp);
if (cur == tmp) {
- pr_warning("Memory value expected\n");
+ pr_warn("Memory value expected\n");
return -EINVAL;
}
cur = tmp;
if (size >= system_ram) {
- pr_warning("crashkernel: invalid size\n");
+ pr_warn("crashkernel: invalid size\n");
return -EINVAL;
}
@@ -1323,8 +1319,7 @@ static int __init parse_crashkernel_mem(char *cmdline,
cur++;
*crash_base = memparse(cur, &tmp);
if (cur == tmp) {
- pr_warning("Memory value expected "
- "after '@'\n");
+ pr_warn("Memory value expected after '@'\n");
return -EINVAL;
}
}
@@ -1336,26 +1331,26 @@ static int __init parse_crashkernel_mem(char *cmdline,
/*
* That function parses "simple" (old) crashkernel command lines like
*
- * crashkernel=size[@offset]
+ * crashkernel=size[@offset]
*
* It returns 0 on success and -EINVAL on failure.
*/
-static int __init parse_crashkernel_simple(char *cmdline,
- unsigned long long *crash_size,
- unsigned long long *crash_base)
+static int __init parse_crashkernel_simple(char *cmdline,
+ unsigned long long *crash_size,
+ unsigned long long *crash_base)
{
char *cur = cmdline;
*crash_size = memparse(cmdline, &cur);
if (cmdline == cur) {
- pr_warning("crashkernel: memory value expected\n");
+ pr_warn("crashkernel: memory value expected\n");
return -EINVAL;
}
if (*cur == '@')
*crash_base = memparse(cur+1, &cur);
else if (*cur != ' ' && *cur != '\0') {
- pr_warning("crashkernel: unrecognized char\n");
+ pr_warn("crashkernel: unrecognized char\n");
return -EINVAL;
}
@@ -1683,7 +1678,7 @@ int kernel_kexec(void)
kexec_in_progress = true;
kernel_restart_prepare(NULL);
migrate_to_reboot_cpu();
- printk(KERN_EMERG "Starting new kernel\n");
+ pr_emerg("Starting new kernel\n");
machine_shutdown();
}
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists