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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-03-09 15:35:53 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-03-09 15:35:53 -0500
commit263a5c8e16c34199ddf6de3f102e789ffa3ee26e (patch)
tree4f049e339d522b2ab0ba3bed3ec217e4bbc83d35 /drivers/input/serio/serio_raw.c
parent54d20f006ceff1f2f1e69d0e54049b6c0765c039 (diff)
parent192cfd58774b4d17b2fe8bdc77d89c2ef4e0591d (diff)
Merge 3.3-rc6 into driver-core-next
This was done to resolve a conflict in the drivers/base/cpu.c file. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/input/serio/serio_raw.c')
-rw-r--r--drivers/input/serio/serio_raw.c15
1 files changed, 9 insertions, 6 deletions
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,
164 struct serio_raw_client *client = file->private_data; 164 struct serio_raw_client *client = file->private_data;
165 struct serio_raw *serio_raw = client->serio_raw; 165 struct serio_raw *serio_raw = client->serio_raw;
166 char uninitialized_var(c); 166 char uninitialized_var(c);
167 ssize_t retval = 0; 167 ssize_t read = 0;
168 int retval;
168 169
169 if (serio_raw->dead) 170 if (serio_raw->dead)
170 return -ENODEV; 171 return -ENODEV;
@@ -180,13 +181,15 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer,
180 if (serio_raw->dead) 181 if (serio_raw->dead)
181 return -ENODEV; 182 return -ENODEV;
182 183
183 while (retval < count && serio_raw_fetch_byte(serio_raw, &c)) { 184 while (read < count && serio_raw_fetch_byte(serio_raw, &c)) {
184 if (put_user(c, buffer++)) 185 if (put_user(c, buffer++)) {
185 return -EFAULT; 186 retval = -EFAULT;
186 retval++; 187 break;
188 }
189 read++;
187 } 190 }
188 191
189 return retval; 192 return read ?: retval;
190} 193}
191 194
192static ssize_t serio_raw_write(struct file *file, const char __user *buffer, 195static ssize_t serio_raw_write(struct file *file, const char __user *buffer,