[PATCH 1/1] x86: sizeof-array-div error in lpc_common_early_init

Heinrich Schuchardt xypron.glpk at gmx.de
Sat Feb 20 10:05:24 CET 2021


Building qemu-x86_64_defconfig with GCC 11.0 fails with:

arch/x86/cpu/intel_common/lpc.c:
In function ‘lpc_common_early_init’:
arch/x86/cpu/intel_common/lpc.c:56:40:
error: expression does not compute the number of elements in this array;
element type is ‘struct reg_info’, not ‘u32’ {aka ‘unsigned int’}
[-Werror=sizeof-array-div]
   56 |                         sizeof(values) / sizeof(u32));
      |                                        ^
arch/x86/cpu/intel_common/lpc.c:56:40: note: add parentheses around the
second ‘sizeof’ to silence this warning
arch/x86/cpu/intel_common/lpc.c:50:11: note: array ‘values’ declared here
   50 |         } values[4], *ptr;
      |           ^~~~~~

Add parentheses to silence warning.

Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
 arch/x86/cpu/intel_common/lpc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/cpu/intel_common/lpc.c b/arch/x86/cpu/intel_common/lpc.c
index 23befbef15..f31fddb6fa 100644
--- a/arch/x86/cpu/intel_common/lpc.c
+++ b/arch/x86/cpu/intel_common/lpc.c
@@ -53,7 +53,7 @@ int lpc_common_early_init(struct udevice *dev)

 	count = fdtdec_get_int_array_count(gd->fdt_blob, dev_of_offset(dev),
 			"intel,gen-dec", (u32 *)values,
-			sizeof(values) / sizeof(u32));
+			sizeof(values) / (sizeof(u32)));
 	if (count < 0)
 		return -EINVAL;

--
2.30.0



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