This makes vme_user_llseek ignore all minors that don't have llseek
implementation.
Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@xxxxxxxxx>
Cc: Igor Alekseev <igor.alekseev@xxxxxxx>
---
drivers/staging/vme/devices/vme_user.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index 19ba749..da828f4 100644
--- a/drivers/staging/vme/devices/vme_user.c
+++ b/drivers/staging/vme/devices/vme_user.c
@@ -430,15 +430,17 @@ static loff_t vme_user_llseek(struct file *file, loff_t off, int whence)
size_t image_size;
loff_t res;
- if (minor == CONTROL_MINOR)
- return -EINVAL;
-
- mutex_lock(&image[minor].mutex);
- image_size = vme_get_size(image[minor].resource);
- res = fixed_size_llseek(file, off, whence, image_size);
- mutex_unlock(&image[minor].mutex);
+ switch (type[minor]) {
+ case MASTER_MINOR:
+ case SLAVE_MINOR:
+ mutex_lock(&image[minor].mutex);
+ image_size = vme_get_size(image[minor].resource);
+ res = fixed_size_llseek(file, off, whence, image_size);
+ mutex_unlock(&image[minor].mutex);
+ return res;
+ }
- return res;
+ return -EINVAL;
}
/*
--
1.8.3.1
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