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-rw-r--r--arch/x86/boot/compressed/eboot.c4
-rw-r--r--drivers/firmware/efivars.c12
-rw-r--r--drivers/tty/tty_io.c18
-rw-r--r--fs/aio.c2
4 files changed, 26 insertions, 10 deletions
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index 8615f758182..35ee62fccf9 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -258,7 +258,7 @@ static efi_status_t setup_efi_vars(struct boot_params *params)
u64 store_size, remaining_size, var_size;
efi_status_t status;
- if (!sys_table->runtime->query_variable_info)
+ if (sys_table->runtime->hdr.revision < EFI_2_00_SYSTEM_TABLE_REVISION)
return EFI_UNSUPPORTED;
data = (struct setup_data *)(unsigned long)params->hdr.setup_data;
@@ -266,7 +266,7 @@ static efi_status_t setup_efi_vars(struct boot_params *params)
while (data && data->next)
data = (struct setup_data *)(unsigned long)data->next;
- status = efi_call_phys4(sys_table->runtime->query_variable_info,
+ status = efi_call_phys4((void *)sys_table->runtime->query_variable_info,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS, &store_size,
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 182ce947117..f4baa11d364 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -1628,10 +1628,11 @@ static ssize_t efivar_delete(struct file *filp, struct kobject *kobj,
return count;
}
-static bool variable_is_present(efi_char16_t *variable_name, efi_guid_t *vendor)
+static bool variable_is_present(struct efivars *efivars,
+ efi_char16_t *variable_name,
+ efi_guid_t *vendor)
{
struct efivar_entry *entry, *n;
- struct efivars *efivars = &__efivars;
unsigned long strsize1, strsize2;
bool found = false;
@@ -1703,8 +1704,8 @@ static void efivar_update_sysfs_entries(struct work_struct *work)
if (status != EFI_SUCCESS) {
break;
} else {
- if (!variable_is_present(variable_name,
- &vendor)) {
+ if (!variable_is_present(efivars,
+ variable_name, &vendor)) {
found = true;
break;
}
@@ -2008,7 +2009,8 @@ int register_efivars(struct efivars *efivars,
* we'll ever see a different variable name,
* and may end up looping here forever.
*/
- if (variable_is_present(variable_name, &vendor_guid)) {
+ if (variable_is_present(efivars, variable_name,
+ &vendor_guid)) {
dup_variable_bug(variable_name, &vendor_guid,
variable_name_size);
status = EFI_NOT_FOUND;
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 05400acbc45..b0452688308 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -941,6 +941,14 @@ void start_tty(struct tty_struct *tty)
EXPORT_SYMBOL(start_tty);
+static void tty_update_time(struct timespec *time)
+{
+ unsigned long sec = get_seconds();
+ sec -= sec % 60;
+ if ((long)(sec - time->tv_sec) > 0)
+ time->tv_sec = sec;
+}
+
/**
* tty_read - read method for tty device files
* @file: pointer to tty file
@@ -960,10 +968,11 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
int i;
+ struct inode *inode = file_inode(file);
struct tty_struct *tty = file_tty(file);
struct tty_ldisc *ld;
- if (tty_paranoia_check(tty, file_inode(file), "tty_read"))
+ if (tty_paranoia_check(tty, inode, "tty_read"))
return -EIO;
if (!tty || (test_bit(TTY_IO_ERROR, &tty->flags)))
return -EIO;
@@ -977,6 +986,9 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count,
i = -EIO;
tty_ldisc_deref(ld);
+ if (i > 0)
+ tty_update_time(&inode->i_atime);
+
return i;
}
@@ -1077,8 +1089,10 @@ static inline ssize_t do_tty_write(
break;
cond_resched();
}
- if (written)
+ if (written) {
+ tty_update_time(&file_inode(file)->i_mtime);
ret = written;
+ }
out:
tty_write_unlock(tty);
return ret;
diff --git a/fs/aio.c b/fs/aio.c
index 3f941f2a305..1dc8786f458 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1029,9 +1029,9 @@ static int aio_read_evt(struct kioctx *ioctx, struct io_event *ent)
spin_unlock(&info->ring_lock);
out:
- kunmap_atomic(ring);
dprintk("leaving aio_read_evt: %d h%lu t%lu\n", ret,
(unsigned long)ring->head, (unsigned long)ring->tail);
+ kunmap_atomic(ring);
return ret;
}