diff options
author | Aleksandr Burakov <a.burakov@rosalinux.ru> | 2024-03-01 14:35:43 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-13 14:10:10 +0300 |
commit | c818cb6171787bffad79f5f52f938997d8933793 (patch) | |
tree | a757c07c7e145dbb418b551d18d066d2cc7e015b /drivers/video/fbdev | |
parent | 659019909b727572a2ae7481eedc26574423954d (diff) | |
download | linux-c818cb6171787bffad79f5f52f938997d8933793.tar.xz |
fbdev: viafb: fix typo in hw_bitblt_1 and hw_bitblt_2
[ Upstream commit bc87bb342f106a0402186bcb588fcbe945dced4b ]
There are some actions with value 'tmp' but 'dst_addr' is checked instead.
It is obvious that a copy-paste error was made here and the value
of variable 'tmp' should be checked here.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Aleksandr Burakov <a.burakov@rosalinux.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/video/fbdev')
-rw-r--r-- | drivers/video/fbdev/via/accel.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/fbdev/via/accel.c b/drivers/video/fbdev/via/accel.c index 0a1bc7a4d785..1e04026f0809 100644 --- a/drivers/video/fbdev/via/accel.c +++ b/drivers/video/fbdev/via/accel.c @@ -115,7 +115,7 @@ static int hw_bitblt_1(void __iomem *engine, u8 op, u32 width, u32 height, if (op != VIA_BITBLT_FILL) { tmp = src_mem ? 0 : src_addr; - if (dst_addr & 0xE0000007) { + if (tmp & 0xE0000007) { printk(KERN_WARNING "hw_bitblt_1: Unsupported source " "address %X\n", tmp); return -EINVAL; @@ -260,7 +260,7 @@ static int hw_bitblt_2(void __iomem *engine, u8 op, u32 width, u32 height, writel(tmp, engine + 0x18); tmp = src_mem ? 0 : src_addr; - if (dst_addr & 0xE0000007) { + if (tmp & 0xE0000007) { printk(KERN_WARNING "hw_bitblt_2: Unsupported source " "address %X\n", tmp); return -EINVAL; |