mirror of https://github.com/hak5/openwrt.git
65 lines
1.9 KiB
Diff
65 lines
1.9 KiB
Diff
From a24a0a621486b36bcdf5c5e0afb05a5d1dd30003 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Mon, 19 Aug 2019 15:45:20 +0100
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Subject: [PATCH] vc-sm-cma: Fix compatibility ioctl
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This code path hasn't been used previously.
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Fixed up after testing with kodi on 32-bit userland and 64-bit kernel
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Signed-off-by: popcornmix <popcornmix@gmail.com>
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---
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drivers/staging/vc04_services/vc-sm-cma/vc_sm.c | 12 ++++--------
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1 file changed, 4 insertions(+), 8 deletions(-)
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--- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
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+++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm.c
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@@ -1501,11 +1501,10 @@ static long vc_sm_cma_ioctl(struct file
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return ret;
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}
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-#ifndef CONFIG_ARM64
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#ifdef CONFIG_COMPAT
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struct vc_sm_cma_ioctl_clean_invalid2_32 {
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u32 op_count;
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- struct vc_sm_cma_ioctl_clean_invalid_block {
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+ struct vc_sm_cma_ioctl_clean_invalid_block_32 {
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u16 invalidate_mode;
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u16 block_count;
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compat_uptr_t start_address;
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@@ -1516,7 +1515,7 @@ struct vc_sm_cma_ioctl_clean_invalid2_32
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#define VC_SM_CMA_CMD_CLEAN_INVALID2_32\
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_IOR(VC_SM_CMA_MAGIC_TYPE, VC_SM_CMA_CMD_CLEAN_INVALID2,\
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- struct vc_sm_cma_ioctl_clean_invalid2)
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+ struct vc_sm_cma_ioctl_clean_invalid2_32)
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static long vc_sm_cma_compat_ioctl(struct file *file, unsigned int cmd,
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unsigned long arg)
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@@ -1524,24 +1523,21 @@ static long vc_sm_cma_compat_ioctl(struc
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switch (cmd) {
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case VC_SM_CMA_CMD_CLEAN_INVALID2_32:
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/* FIXME */
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- break;
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+ return -EINVAL;
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default:
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- return vc_sm_cma_compat_ioctl(file, cmd, arg);
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+ return vc_sm_cma_ioctl(file, cmd, arg);
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}
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}
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#endif
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-#endif
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/* Device operations that we managed in this driver. */
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static const struct file_operations vc_sm_ops = {
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.owner = THIS_MODULE,
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.unlocked_ioctl = vc_sm_cma_ioctl,
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-#ifndef CONFIG_ARM64
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#ifdef CONFIG_COMPAT
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.compat_ioctl = vc_sm_cma_compat_ioctl,
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#endif
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-#endif
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.open = vc_sm_cma_open,
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.release = vc_sm_cma_release,
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};
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