diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2017-04-20 16:10:34 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-04-20 16:10:34 -0700 |
| commit | a94dbcafdfa3bcf67276fc06b961533400b05356 (patch) | |
| tree | 0a5d8b6f036bffbde98877d7e7173d468c29564d /drivers/video/fbdev/msm | |
| parent | 9d26a7fb148d536594dbd18d7630533413fcc6bf (diff) | |
| parent | 64e4e29356928bea60ae4be5b387eb7d8d7a7f45 (diff) | |
Merge "msm: mdss: fix race condition during mdp debugfs release"
Diffstat (limited to 'drivers/video/fbdev/msm')
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_debug.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/video/fbdev/msm/mdss_debug.c b/drivers/video/fbdev/msm/mdss_debug.c index e60869144339..0ecf1ef92ab3 100644 --- a/drivers/video/fbdev/msm/mdss_debug.c +++ b/drivers/video/fbdev/msm/mdss_debug.c @@ -59,11 +59,13 @@ static int panel_debug_base_open(struct inode *inode, struct file *file) static int panel_debug_base_release(struct inode *inode, struct file *file) { struct mdss_debug_base *dbg = file->private_data; + mutex_lock(&mdss_debug_lock); if (dbg && dbg->buf) { kfree(dbg->buf); dbg->buf_len = 0; dbg->buf = NULL; } + mutex_unlock(&mdss_debug_lock); return 0; } @@ -385,11 +387,13 @@ static int mdss_debug_base_open(struct inode *inode, struct file *file) static int mdss_debug_base_release(struct inode *inode, struct file *file) { struct mdss_debug_base *dbg = file->private_data; + mutex_lock(&mdss_debug_lock); if (dbg && dbg->buf) { kfree(dbg->buf); dbg->buf_len = 0; dbg->buf = NULL; } + mutex_unlock(&mdss_debug_lock); return 0; } |