wil6210: fix printout in wil_read_pmccfg

Replace sprintf with snprintf which checks the destination buffer
size.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index cfeed928b2ce..8ac53fb2bb59 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -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);