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Commit 50b311fd authored by Kiran Gunda's avatar Kiran Gunda
Browse files

regulator: core: Fix buffer overflow issue 



There is a possible buffer overflow in the "reg_debug_volt_get"
function. Fix it by passing the appropriate byte count.

Change-Id: I30868790c42cdb225af74054532a75c49506fe82
Signed-off-by: default avatarKiran Gunda <kgunda@codeaurora.org>
parent 4a06d597

drivers/regulator/core.c

+1 −1
Original line number Diff line number Diff line
@@ -3824,7 +3824,7 @@ static ssize_t reg_debug_volt_get(struct file *file, char __user *buf, 
	mutex_lock(&debug_buf_mutex);



	output = snprintf(debug_buf, MAX_DEBUG_BUF_LEN-1, "%d\n", voltage);

	rc = simple_read_from_buffer((void __user *) buf, output, ppos,

	rc = simple_read_from_buffer((void __user *) buf, count, ppos,

					(void *) debug_buf, output);



	mutex_unlock(&debug_buf_mutex);