mirror of https://gitee.com/openkylin/linux.git
Staging:media: Fix Sparse warnings incorrect type in lirc_sasem.c
This patch fixes following sparse warning in dgap.c drivers/staging/media/lirc/lirc_sasem.c:392:32: warning: incorrect type in argument 1 (different address spaces) drivers/staging/media/lirc/lirc_sasem.c:392:32: expected void const [noderef] <asn:1>*<noident> drivers/staging/media/lirc/lirc_sasem.c:392:32: got char const *buf drivers/staging/media/lirc/lirc_sasem.c:123:28: warning: incorrect type in initializer (incompatible argument 2 (different address spaces)) drivers/staging/media/lirc/lirc_sasem.c:123:28: expected int ( *write )( ... ) drivers/staging/media/lirc/lirc_sasem.c:123:28: got int ( static [toplevel] *<noident> )( ... ) Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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04ad3a644e
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@ -74,7 +74,7 @@ static void usb_tx_callback(struct urb *urb);
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static int vfd_open(struct inode *inode, struct file *file);
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static long vfd_ioctl(struct file *file, unsigned cmd, unsigned long arg);
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static int vfd_close(struct inode *inode, struct file *file);
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static ssize_t vfd_write(struct file *file, const char *buf,
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static ssize_t vfd_write(struct file *file, const char __user *buf,
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size_t n_bytes, loff_t *pos);
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/* LIRC driver function prototypes */
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@ -120,7 +120,7 @@ struct sasem_context {
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static const struct file_operations vfd_fops = {
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.owner = THIS_MODULE,
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.open = &vfd_open,
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.write = &vfd_write,
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.write = vfd_write,
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.unlocked_ioctl = &vfd_ioctl,
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.release = &vfd_close,
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.llseek = noop_llseek,
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@ -360,7 +360,7 @@ static int send_packet(struct sasem_context *context)
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* and requires data in 9 consecutive USB interrupt packets,
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* each packet carrying 8 bytes.
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*/
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static ssize_t vfd_write(struct file *file, const char *buf,
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static ssize_t vfd_write(struct file *file, const char __user *buf,
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size_t n_bytes, loff_t *pos)
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{
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int i;
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@ -389,7 +389,7 @@ static ssize_t vfd_write(struct file *file, const char *buf,
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goto exit;
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}
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data_buf = memdup_user(buf, n_bytes);
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data_buf = memdup_user((void const __user *)buf, n_bytes);
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if (IS_ERR(data_buf)) {
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retval = PTR_ERR(data_buf);
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goto exit;
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