5.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Barnabás Pőcze pobrn@protonmail.com
[ Upstream commit 43aacf838ef7384d985ef5385ecb0124f8c70007 ]
Some pointers are initialized when they are defined, but they are almost immediately reassigned in the following lines. Remove these superfluous assignments.
Signed-off-by: Barnabás Pőcze pobrn@protonmail.com Link: https://lore.kernel.org/r/20210904175450.156801-6-pobrn@protonmail.com Reviewed-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Hans de Goede hdegoede@redhat.com Stable-dep-of: eba9ac7abab9 ("platform/x86: wmi: Fix opening of char device") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/platform/x86/wmi.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index f4327c2873fa3..a481707e0d398 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -184,7 +184,7 @@ static int get_subobj_info(acpi_handle handle, const char *pathname,
static acpi_status wmi_method_enable(struct wmi_block *wblock, int enable) { - struct guid_block *block = NULL; + struct guid_block *block; char method[5]; acpi_status status; acpi_handle handle; @@ -258,8 +258,8 @@ EXPORT_SYMBOL_GPL(wmi_evaluate_method); acpi_status wmidev_evaluate_method(struct wmi_device *wdev, u8 instance, u32 method_id, const struct acpi_buffer *in, struct acpi_buffer *out) { - struct guid_block *block = NULL; - struct wmi_block *wblock = NULL; + struct guid_block *block; + struct wmi_block *wblock; acpi_handle handle; acpi_status status; struct acpi_object_list input; @@ -306,7 +306,7 @@ EXPORT_SYMBOL_GPL(wmidev_evaluate_method); static acpi_status __query_block(struct wmi_block *wblock, u8 instance, struct acpi_buffer *out) { - struct guid_block *block = NULL; + struct guid_block *block; acpi_handle handle; acpi_status status, wc_status = AE_ERROR; struct acpi_object_list input; @@ -419,8 +419,8 @@ EXPORT_SYMBOL_GPL(wmidev_block_query); acpi_status wmi_set_block(const char *guid_string, u8 instance, const struct acpi_buffer *in) { - struct guid_block *block = NULL; struct wmi_block *wblock = NULL; + struct guid_block *block; acpi_handle handle; struct acpi_object_list input; union acpi_object params[2]; @@ -818,8 +818,8 @@ static int wmi_dev_match(struct device *dev, struct device_driver *driver) static int wmi_char_open(struct inode *inode, struct file *filp) { const char *driver_name = filp->f_path.dentry->d_iname; - struct wmi_block *wblock = NULL; - struct wmi_block *next = NULL; + struct wmi_block *wblock; + struct wmi_block *next;
list_for_each_entry_safe(wblock, next, &wmi_block_list, list) { if (!wblock->dev.dev.driver) @@ -851,8 +851,8 @@ static long wmi_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) struct wmi_ioctl_buffer __user *input = (struct wmi_ioctl_buffer __user *) arg; struct wmi_block *wblock = filp->private_data; - struct wmi_ioctl_buffer *buf = NULL; - struct wmi_driver *wdriver = NULL; + struct wmi_ioctl_buffer *buf; + struct wmi_driver *wdriver; int ret;
if (_IOC_TYPE(cmd) != WMI_IOC)