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Merge branch 'master' into pm-sleep

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* master: (848 commits)
  SELinux: Fix RCU deref check warning in sel_netport_insert()
  binary_sysctl(): fix memory leak
  mm/vmalloc.c: remove static declaration of va from __get_vm_area_node
  ipmi_watchdog: restore settings when BMC reset
  oom: fix integer overflow of points in oom_badness
  memcg: keep root group unchanged if creation fails
  nilfs2: potential integer overflow in nilfs_ioctl_clean_segments()
  nilfs2: unbreak compat ioctl
  cpusets: stall when updating mems_allowed for mempolicy or disjoint nodemask
  evm: prevent racing during tfm allocation
  evm: key must be set once during initialization
  mmc: vub300: fix type of firmware_rom_wait_states module parameter
  Revert "mmc: enable runtime PM by default"
  mmc: sdhci: remove "state" argument from sdhci_suspend_host
  x86, dumpstack: Fix code bytes breakage due to missing KERN_CONT
  IB/qib: Correct sense on freectxts increment and decrement
  RDMA/cma: Verify private data length
  cgroups: fix a css_set not found bug in cgroup_attach_proc
  oprofile: Fix uninitialized memory access when writing to writing to oprofilefs
  Revert "xen/pv-on-hvm kexec: add xs_reset_watches to shutdown watches from old kernel"
  ...

Conflicts:
	kernel/cgroup_freezer.c
This commit is contained in:
Rafael J. Wysocki 2011-12-21 21:59:45 +01:00
commit b00f4dc5ff
858 changed files with 11357 additions and 6683 deletions
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31
drivers/acpi/apei/erst.c
View file

@ -932,7 +932,8 @@ static int erst_check_table(struct acpi_table_erst *erst_tab)
static int erst_open_pstore(struct pstore_info *psi);
static int erst_close_pstore(struct pstore_info *psi);
static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
struct timespec *time, struct pstore_info *psi);
struct timespec *time, char **buf,
struct pstore_info *psi);
static int erst_writer(enum pstore_type_id type, u64 *id, unsigned int part,
size_t size, struct pstore_info *psi);
static int erst_clearer(enum pstore_type_id type, u64 id,
@ -986,17 +987,23 @@ static int erst_close_pstore(struct pstore_info *psi)
}
static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
struct timespec *time, struct pstore_info *psi)
struct timespec *time, char **buf,
struct pstore_info *psi)
{
int rc;
ssize_t len = 0;
u64 record_id;
struct cper_pstore_record *rcd = (struct cper_pstore_record *)
(erst_info.buf - sizeof(*rcd));
struct cper_pstore_record *rcd;
size_t rcd_len = sizeof(*rcd) + erst_info.bufsize;
if (erst_disable)
return -ENODEV;
rcd = kmalloc(rcd_len, GFP_KERNEL);
if (!rcd) {
rc = -ENOMEM;
goto out;
}
skip:
rc = erst_get_record_id_next(&reader_pos, &record_id);
if (rc)
@ -1004,22 +1011,27 @@ skip:
/* no more record */
if (record_id == APEI_ERST_INVALID_RECORD_ID) {
rc = -1;
rc = -EINVAL;
goto out;
}
len = erst_read(record_id, &rcd->hdr, sizeof(*rcd) +
erst_info.bufsize);
len = erst_read(record_id, &rcd->hdr, rcd_len);
/* The record may be cleared by others, try read next record */
if (len == -ENOENT)
goto skip;
else if (len < 0) {
rc = -1;
else if (len < sizeof(*rcd)) {
rc = -EIO;
goto out;
}
if (uuid_le_cmp(rcd->hdr.creator_id, CPER_CREATOR_PSTORE) != 0)
goto skip;
*buf = kmalloc(len, GFP_KERNEL);
if (*buf == NULL) {
rc = -ENOMEM;
goto out;
}
memcpy(*buf, rcd->data, len - sizeof(*rcd));
*id = record_id;
if (uuid_le_cmp(rcd->sec_hdr.section_type,
CPER_SECTION_TYPE_DMESG) == 0)
@ -1037,6 +1049,7 @@ skip:
time->tv_nsec = 0;
out:
kfree(rcd);
return (rc < 0) ? rc : (len - sizeof(*rcd));
}