The value of uma_memory_size depends on an undefined value from the stack. The value of uma_memory_size is changed but never used.

So simply remove this superfluous code.

The problem was indicated by cppcheck.

Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- arch/x86/cpu/ivybridge/sdram.c | 5 ----- 1 file changed, 5 deletions(-)

diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c index 643d804e35..1cdbe479fd 100644 --- a/arch/x86/cpu/ivybridge/sdram.c +++ b/arch/x86/cpu/ivybridge/sdram.c @@ -233,7 +233,6 @@ static int sdram_find(struct udevice *dev) uint32_t tseg_base, uma_size, tolud; uint64_t tom, me_base, touud; uint64_t uma_memory_base = 0; - uint64_t uma_memory_size; unsigned long long tomk; uint16_t ggc; u32 val; @@ -298,7 +297,6 @@ static int sdram_find(struct udevice *dev) tolud += uma_size << 10; /* UMA starts at old TOLUD */ uma_memory_base = tomk * 1024ULL; - uma_memory_size = uma_size * 1024ULL; debug("ME UMA base %llx size %uM\n", me_base, uma_size >> 10); }

@@ -312,13 +310,11 @@ static int sdram_find(struct udevice *dev) debug("%uM UMA", uma_size >> 10); tomk -= uma_size; uma_memory_base = tomk * 1024ULL; - uma_memory_size += uma_size * 1024ULL;

/* GTT Graphics Stolen Memory Size (GGMS) */ uma_size = ((ggc >> 8) & 0x3) * 1024ULL; tomk -= uma_size; uma_memory_base = tomk * 1024ULL; - uma_memory_size += uma_size * 1024ULL; debug(" and %uM GTT\n", uma_size >> 10); }

@@ -327,7 +323,6 @@ static int sdram_find(struct udevice *dev) uma_size = (uma_memory_base - tseg_base) >> 10; tomk -= uma_size; uma_memory_base = tomk * 1024ULL; - uma_memory_size += uma_size * 1024ULL; debug("TSEG base 0x%08x size %uM\n", tseg_base, uma_size >> 10);

debug("Available memory below 4GB: %lluM\n", tomk >> 10);