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| author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2020-03-02 12:49:53 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-03-09 08:30:46 +0100 |
| commit | 09d11c546738a00754c9f1a9b726ddd14f5b5b38 (patch) | |
| tree | 9380c75b7be1a5a9d5e4fcaf25dc17f73f86f143 /drivers | |
| parent | a171453d18b65359c6d35f4d0877145be9e896b7 (diff) | |
| download | barebox-09d11c546738a00754c9f1a9b726ddd14f5b5b38.tar.gz barebox-09d11c546738a00754c9f1a9b726ddd14f5b5b38.tar.xz | |
video/ssd1307fb: fix NULL pointer dereference in probe
info->priv is dereferenced before a valid value has been set leading to
a NULL pointer dereference in the probe function. Fix this.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/ssd1307fb.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/video/ssd1307fb.c b/drivers/video/ssd1307fb.c index 70077e43a8..83a561a3e1 100644 --- a/drivers/video/ssd1307fb.c +++ b/drivers/video/ssd1307fb.c @@ -405,8 +405,9 @@ static int ssd1307fb_probe(struct device_d *dev) } info = xzalloc(sizeof(struct fb_info)); + par = xzalloc(sizeof(*par)); - par = info->priv; + info->priv = par; par->info = info; par->client = client; @@ -574,6 +575,7 @@ reset_oled_error: free(vmem); fb_alloc_error: regulator_disable(par->vbat); + free(par); free(info); return ret; } |