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char/tpm: Fix unitialized usage of data buffer
[cascardo/linux.git]
/
drivers
/
char
/
tpm
/
tpm.c
diff --git
a/drivers/char/tpm/tpm.c
b/drivers/char/tpm/tpm.c
index
1f46f1c
..
7beb0e2
100644
(file)
--- a/
drivers/char/tpm/tpm.c
+++ b/
drivers/char/tpm/tpm.c
@@
-980,7
+980,7
@@
int tpm_open(struct inode *inode, struct file *file)
return -EBUSY;
}
- chip->data_buffer = k
malloc(TPM_BUFSIZE * sizeof(u8)
, GFP_KERNEL);
+ chip->data_buffer = k
zalloc(TPM_BUFSIZE
, GFP_KERNEL);
if (chip->data_buffer == NULL) {
clear_bit(0, &chip->is_open);
put_device(chip->dev);