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Merge "disp: msm: dsi: deny an ESD trigger when not enabled"

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qctecmdr
2019-07-28 02:01:24 -07:00
committed by Gerrit - the friendly Code Review server
parent 60d59191c8 7b76eb582d
commit 5baf44d58d
1 changed files with 6 additions and 0 deletions
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6
msm/dsi/dsi_display.c
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@@ -1259,6 +1259,7 @@ static ssize_t debugfs_esd_trigger_check(struct file *file,
struct dsi_display *display = file->private_data; struct dsi_display *display = file->private_data;
char *buf; char *buf;
int rc = 0; int rc = 0;
struct drm_panel_esd_config *esd_config = &display->panel->esd_config;
u32 esd_trigger; u32 esd_trigger;
size_t len; size_t len;
@@ -1278,6 +1279,11 @@ static ssize_t debugfs_esd_trigger_check(struct file *file,
atomic_read(&display->panel->esd_recovery_pending)) atomic_read(&display->panel->esd_recovery_pending))
return user_len; return user_len;
if (!esd_config->esd_enabled) {
DSI_ERR("ESD feature is not enabled\n");
return -EINVAL;
}
buf = kzalloc(ESD_TRIGGER_STRING_MAX_LEN, GFP_KERNEL); buf = kzalloc(ESD_TRIGGER_STRING_MAX_LEN, GFP_KERNEL);
if (!buf) if (!buf)
return -ENOMEM; return -ENOMEM;