soc: fsl: dpaa2-console: free buffer before returning from dpaa2_cons…

…ole_read Free the kbuf buffer before returning from the dpaa2_console_read() function. The variable no longer goes out of scope, leaking the storage it points to. Fixes: c93349d ("soc: fsl: add DPAA2 console support") Signed-off-by: Robert-Ionut Alexa <[email protected]> Signed-off-by: Ioana Ciornei <[email protected]> Signed-off-by: Li Yang <[email protected]>
pop-os · Oct 21, 2021 · 8120bd4 · 8120bd4
1 parent dc7e594
commit 8120bd4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/soc/fsl/dpaa2-console.c b/drivers/soc/fsl/dpaa2-console.c
@@ -231,6 +231,7 @@ static ssize_t dpaa2_console_read(struct file *fp, char __user *buf,
 	cd->cur_ptr += bytes;
 	written += bytes;
 
+	kfree(kbuf);
 	return written;
 
 err_free_buf: