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authorLinus Torvalds <torvalds@linux-foundation.org>2012-02-04 10:57:42 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-02-04 10:57:42 -0800
commit31c150a11c867da233a7b5e13b45bcbd3a796bde (patch)
tree58202fc8e93833f3ea3e52f9cb0093e61265d73d /drivers/input/serio
parent4554c135a0a017f4cd96f7c0612cb7ca78c68d08 (diff)
parent82b982c9a697e7be0745523a53334fe38a4582c8 (diff)
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: i8042 - add Lenovo Ideapad U455 to 'reset' blacklist Input: serio_raw - return proper result when serio_raw_read fails Input: document device properties Input: twl4030_keypad - fix comment (trivial) Input: gpio_keys - fix struct device declared inside parameter list Input: evdev - fix variable initialisation
Diffstat (limited to 'drivers/input/serio')
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h7
-rw-r--r--drivers/input/serio/serio_raw.c15
2 files changed, 16 insertions, 6 deletions
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index b4cfc6c8be8..5ec774d6c82 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 8250299fd64..4494233d331 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,