From db38a404c20a08ed998562da775ff169a03758c8 Mon Sep 17 00:00:00 2001 From: cym Date: Tue, 17 Sep 2013 14:18:07 +0800 Subject: [PATCH] RK31/RK30:add vfree(buf); to fix memory leaks in video_state_write(); --- arch/arm/plat-rk/ddr_freq.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/plat-rk/ddr_freq.c b/arch/arm/plat-rk/ddr_freq.c index 5ec16e38b7ef..52d01020dca0 100755 --- a/arch/arm/plat-rk/ddr_freq.c +++ b/arch/arm/plat-rk/ddr_freq.c @@ -302,8 +302,10 @@ static ssize_t video_state_write(struct file *file, const char __user *buffer, cookie_pot = buf; if (count < 1) + vfree(buf); return count; if (copy_from_user(cookie_pot, buffer, count)) { + vfree(buf); return -EFAULT; } @@ -349,10 +351,12 @@ static ssize_t video_state_write(struct file *file, const char __user *buffer, } break; default: + vfree(buf); return -EINVAL; } ddr.video_state = state; + vfree(buf); return count; } -- 2.34.1