6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Abdun Nihaal nihaal@cse.iitm.ac.in
[ Upstream commit 164312662ae9764b83b84d97afb25c42eb2be473 ]
The page allocated for vmem using __get_free_pages() is not freed on the error paths after it. Fix that by adding a corresponding __free_pages() call to the error path.
Fixes: facd94bc458a ("fbdev: ssd1307fb: Allocate page aligned video memory.") Signed-off-by: Abdun Nihaal nihaal@cse.iitm.ac.in Signed-off-by: Helge Deller deller@gmx.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/video/fbdev/ssd1307fb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index 1a4f90ea7d5a8..bf8ec4861b45c 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -688,7 +688,7 @@ static int ssd1307fb_probe(struct i2c_client *client) if (!ssd1307fb_defio) { dev_err(dev, "Couldn't allocate deferred io.\n"); ret = -ENOMEM; - goto fb_alloc_error; + goto fb_defio_error; }
ssd1307fb_defio->delay = HZ / refreshrate; @@ -766,6 +766,8 @@ static int ssd1307fb_probe(struct i2c_client *client) regulator_disable(par->vbat_reg); reset_oled_error: fb_deferred_io_cleanup(info); +fb_defio_error: + __free_pages(vmem, get_order(vmem_size)); fb_alloc_error: framebuffer_release(info); return ret;