brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-06-09 23:36:03 +09:00
Code Issues Projects Releases Wiki Activity

tpm: Fix fault in case CONFIG_DM_TPM is set without any TPM

Browse Source 
In case CONFIG_DM_TPM was set without any TPM chipset configured a fault
was generated (NULL pointer access).

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
This commit is contained in:
Christophe Ricard 2016-01-21 23:19:13 +01:00 committed by Simon Glass
parent 3faf2216d9
commit 0e37d4c2c6
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
cmd/tpm.c
View File

@ -448,7 +448,7 @@ static int get_tpm(struct udevice **devp)
int rc; int rc;
rc = uclass_first_device(UCLASS_TPM, devp); rc = uclass_first_device(UCLASS_TPM, devp);
if (rc) { if (rc || !*devp) {
printf("Could not find TPM (ret=%d)\n", rc); printf("Could not find TPM (ret=%d)\n", rc);
return CMD_RET_FAILURE; return CMD_RET_FAILURE;
} }

2
lib/tpm.c
View File

@ -262,7 +262,7 @@ int tpm_init(void)
struct udevice *dev; struct udevice *dev;
err = uclass_first_device(UCLASS_TPM, &dev); err = uclass_first_device(UCLASS_TPM, &dev);
if (err) if (err || !dev)
return err; return err;
return tpm_open(dev); return tpm_open(dev);
} }