wil6210: fix printout in wil_read_pmccfg (dedec35b) · Commits · 戴 / test

Replace sprintf with snprintf which checks the destination buffer size. Signed-off-by:

drivers/net/wireless/ath/wil6210/debugfs.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -940,9 +940,8 @@ static ssize_t wil_read_pmccfg(struct file file, char __user user_buf,
		" - \"alloc <num descriptors> <descriptor_size>\" to allocate pmc\n"
		" - \"free\" to free memory allocated for pmc\n";

		sprintf(text, "Last command status: %d\n\n%s",
		wil_pmc_last_cmd_status(wil),
		help);
		snprintf(text, sizeof(text), "Last command status: %d\n\n%s",
		wil_pmc_last_cmd_status(wil), help);

		return simple_read_from_buffer(user_buf, count, ppos, text,
		strlen(text) + 1);