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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-02-22 23:04:41 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-02-22 23:04:41 +0100 |
| commit | 61b80086a525c8a6081257ae40da5dee2bcaee16 (patch) | |
| tree | 675da35e4c03be3a5ca17bf6430e5b51dfed6296 /drivers/input/serio | |
| parent | Merge tag 'v3.3-rc2' into depends/rmk/for-armsoc (diff) | |
| parent | ARM: remove disable_fiq and arch_ret_to_user macros (diff) | |
| download | linux-61b80086a525c8a6081257ae40da5dee2bcaee16.tar.xz linux-61b80086a525c8a6081257ae40da5dee2bcaee16.zip | |
Merge branch 'entry-macro-cleanup' of git://sources.calxeda.com/kernel/linux into for-armsoc
Diffstat (limited to 'drivers/input/serio')
| -rw-r--r-- | drivers/input/serio/i8042-x86ia64io.h | 7 | ||||
| -rw-r--r-- | drivers/input/serio/serio_raw.c | 15 |
2 files changed, 16 insertions, 6 deletions
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index b4cfc6c8be89..5ec774d6c82b 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -512,6 +512,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"), }, }, + { + /* Lenovo Ideapad U455 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20046"), + }, + }, { } }; diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c index 8250299fd64f..4494233d331a 100644 --- a/drivers/input/serio/serio_raw.c +++ b/drivers/input/serio/serio_raw.c @@ -164,7 +164,8 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer, struct serio_raw_client *client = file->private_data; struct serio_raw *serio_raw = client->serio_raw; char uninitialized_var(c); - ssize_t retval = 0; + ssize_t read = 0; + int retval; if (serio_raw->dead) return -ENODEV; @@ -180,13 +181,15 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer, if (serio_raw->dead) return -ENODEV; - while (retval < count && serio_raw_fetch_byte(serio_raw, &c)) { - if (put_user(c, buffer++)) - return -EFAULT; - retval++; + while (read < count && serio_raw_fetch_byte(serio_raw, &c)) { + if (put_user(c, buffer++)) { + retval = -EFAULT; + break; + } + read++; } - return retval; + return read ?: retval; } static ssize_t serio_raw_write(struct file *file, const char __user *buffer, |