[Xen-devel] [PATCH for-4.7 1/6] rombios/tcgbios: initialise size in tcpa_extend_acpi_log

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Gcc complains:

tcgbios.c:362:3: error: ‘size’ may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
   memcpy((char *)lasa_last, (char *)entry_ptr, size);

It fails to figure out if size is used in memcpy it is always initialised.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/firmware/rombios/32bit/tcgbios/tcgbios.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/firmware/rombios/32bit/tcgbios/tcgbios.c 
b/tools/firmware/rombios/32bit/tcgbios/tcgbios.c
index beef5a4..d1d1203 100644
--- a/tools/firmware/rombios/32bit/tcgbios/tcgbios.c
+++ b/tools/firmware/rombios/32bit/tcgbios/tcgbios.c
@@ -330,7 +330,7 @@ uint32_t tcpa_extend_acpi_log(uint32_t entry_ptr)
        uint32_t res = 0;
        unsigned char *lasa_last = tcpa_get_lasa_last_ptr();
        unsigned char *lasa_base = tcpa_get_lasa_base_ptr();
-       uint32_t size;
+       uint32_t size = 0;
        uint16_t entry_count = tcpa_acpi.entry_count;
        struct pcpes *pcpes = (struct pcpes *)entry_ptr;
 
-- 
2.1.4


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