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* [PATCH] x86/efi: Remove unused variables
@ 2019-07-16 13:15 Zhenzhong Duan
  0 siblings, 0 replies; only message in thread
From: Zhenzhong Duan @ 2019-07-16 13:15 UTC (permalink / raw)
  To: linux-kernel
  Cc: linux-efi, x86, Zhenzhong Duan, Ard Biesheuvel, Peter Zijlstra,
	Thomas Gleixner, Ingo Molnar, Borislav Petkov

Fix gcc warnings:

arch/x86/boot/compressed/eboot.c: In function 'make_boot_params':
arch/x86/boot/compressed/eboot.c:394:6: warning: unused variable 'i' [-Wunused-variable]
  int i;
      ^
arch/x86/boot/compressed/eboot.c:393:6: warning: unused variable 's1' [-Wunused-variable]
  u8 *s1;
      ^
arch/x86/boot/compressed/eboot.c:392:7: warning: unused variable 's2' [-Wunused-variable]
  u16 *s2;
       ^
arch/x86/boot/compressed/eboot.c:387:8: warning: unused variable 'options' [-Wunused-variable]
  void *options, *handle;
        ^
arch/x86/boot/compressed/eboot.c: In function 'add_e820ext':
arch/x86/boot/compressed/eboot.c:498:16: warning: unused variable 'size' [-Wunused-variable]
  unsigned long size;
                ^
arch/x86/boot/compressed/eboot.c:497:15: warning: unused variable 'status' [-Wunused-variable]
  efi_status_t status;
               ^
arch/x86/boot/compressed/eboot.c: In function 'exit_boot_func':
arch/x86/boot/compressed/eboot.c:681:15: warning: unused variable 'status' [-Wunused-variable]
  efi_status_t status;
               ^
arch/x86/boot/compressed/eboot.c:680:8: warning: unused variable 'nr_desc' [-Wunused-variable]
  __u32 nr_desc;
        ^
arch/x86/boot/compressed/eboot.c: In function 'efi_main':
arch/x86/boot/compressed/eboot.c:750:22: warning: unused variable 'image' [-Wunused-variable]
  efi_loaded_image_t *image;
                      ^

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
---
 arch/x86/boot/compressed/eboot.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index 220d127..d6662fd 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -384,14 +384,11 @@ struct boot_params *make_boot_params(struct efi_config *c)
 	struct apm_bios_info *bi;
 	struct setup_header *hdr;
 	efi_loaded_image_t *image;
-	void *options, *handle;
+	void *handle;
 	efi_guid_t proto = LOADED_IMAGE_PROTOCOL_GUID;
 	int options_size = 0;
 	efi_status_t status;
 	char *cmdline_ptr;
-	u16 *s2;
-	u8 *s1;
-	int i;
 	unsigned long ramdisk_addr;
 	unsigned long ramdisk_size;
 
@@ -494,8 +491,6 @@ static void add_e820ext(struct boot_params *params,
 			struct setup_data *e820ext, u32 nr_entries)
 {
 	struct setup_data *data;
-	efi_status_t status;
-	unsigned long size;
 
 	e820ext->type = SETUP_E820_EXT;
 	e820ext->len  = nr_entries * sizeof(struct boot_e820_entry);
@@ -677,8 +672,6 @@ static efi_status_t exit_boot_func(efi_system_table_t *sys_table_arg,
 				   void *priv)
 {
 	const char *signature;
-	__u32 nr_desc;
-	efi_status_t status;
 	struct exit_boot_struct *p = priv;
 
 	signature = efi_is_64bit() ? EFI64_LOADER_SIGNATURE
@@ -747,7 +740,6 @@ struct boot_params *
 efi_main(struct efi_config *c, struct boot_params *boot_params)
 {
 	struct desc_ptr *gdt = NULL;
-	efi_loaded_image_t *image;
 	struct setup_header *hdr = &boot_params->hdr;
 	efi_status_t status;
 	struct desc_struct *desc;
-- 
1.8.3.1


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2019-07-16 13:15 [PATCH] x86/efi: Remove unused variables Zhenzhong Duan

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