leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

tpm: simplify: tpm_set_global_lock()

Browse Source 
When in pack_byte_string() memcpy() is called for size 0 the source buffer
address has no relevance. So we can use NULL here.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2019-02-05 01:38:41 +01:00 committed by Tom Rini
parent b78a9e2212
commit c7cd4afb92
1 changed files with 1 additions and 3 deletions

4
lib/tpm-v1.c
View File

@ -211,9 +211,7 @@ u32 tpm_nv_write_value(struct udevice *dev, u32 index, const void *data,
uint32_t tpm_set_global_lock(struct udevice *dev)
{
u32 x;
return tpm_nv_write_value(dev, TPM_NV_INDEX_0, (uint8_t *)&x, 0);
return tpm_nv_write_value(dev, TPM_NV_INDEX_0, NULL, 0);
}
u32 tpm_extend(struct udevice *dev, u32 index, const void *in_digest,