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From a24a0a621486b36bcdf5c5e0afb05a5d1dd30003 Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Mon, 19 Aug 2019 15:45:20 +0100
Subject: [PATCH] vc-sm-cma: Fix compatibility ioctl
This code path hasn't been used previously.
Fixed up after testing with kodi on 32-bit userland and 64-bit kernel
Signed-off-by: popcornmix <popcornmix@gmail.com>
---
drivers/staging/vc04_services/vc-sm-cma/vc_sm.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
--- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
+++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
@@ -1501,11 +1501,10 @@ static long vc_sm_cma_ioctl(struct file
return ret;
}
-#ifndef CONFIG_ARM64
#ifdef CONFIG_COMPAT
struct vc_sm_cma_ioctl_clean_invalid2_32 {
u32 op_count;
- struct vc_sm_cma_ioctl_clean_invalid_block {
+ struct vc_sm_cma_ioctl_clean_invalid_block_32 {
u16 invalidate_mode;
u16 block_count;
compat_uptr_t start_address;
@@ -1516,7 +1515,7 @@ struct vc_sm_cma_ioctl_clean_invalid2_32
#define VC_SM_CMA_CMD_CLEAN_INVALID2_32\
_IOR(VC_SM_CMA_MAGIC_TYPE, VC_SM_CMA_CMD_CLEAN_INVALID2,\
- struct vc_sm_cma_ioctl_clean_invalid2)
+ struct vc_sm_cma_ioctl_clean_invalid2_32)
static long vc_sm_cma_compat_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
@@ -1524,24 +1523,21 @@ static long vc_sm_cma_compat_ioctl(struc
switch (cmd) {
case VC_SM_CMA_CMD_CLEAN_INVALID2_32:
/* FIXME */
- break;
+ return -EINVAL;
default:
- return vc_sm_cma_compat_ioctl(file, cmd, arg);
+ return vc_sm_cma_ioctl(file, cmd, arg);
}
}
#endif
-#endif
/* Device operations that we managed in this driver. */
static const struct file_operations vc_sm_ops = {
.owner = THIS_MODULE,
.unlocked_ioctl = vc_sm_cma_ioctl,
-#ifndef CONFIG_ARM64
#ifdef CONFIG_COMPAT
.compat_ioctl = vc_sm_cma_compat_ioctl,
#endif
-#endif
.open = vc_sm_cma_open,
.release = vc_sm_cma_release,
};
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