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fs/hostfs: Return ENOTTY for unsupported ioctl #19501

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Merged
jerpelea merged 1 commit into from
Jul 23, 2026
Merged

fs/hostfs: Return ENOTTY for unsupported ioctl #19501

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4 changes: 3 additions & 1 deletion arch/arm/src/common/arm_hostfs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -232,7 +232,9 @@ off_t host_lseek(int fd, off_t pos, off_t offset, int whence)

int host_ioctl(int fd, int request, unsigned long arg)
{
return -ENOSYS;
/* Unsupported ioctl requests use ENOTTY so VFS can apply fallbacks. */

return -ENOTTY;
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}

void host_sync(int fd)
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4 changes: 3 additions & 1 deletion arch/arm64/src/common/arm64_hostfs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -232,7 +232,9 @@ off_t host_lseek(int fd, off_t pos, off_t offset, int whence)

int host_ioctl(int fd, int request, unsigned long arg)
{
return -ENOSYS;
/* Unsupported ioctl requests use ENOTTY so VFS can apply fallbacks. */

return -ENOTTY;
}

void host_sync(int fd)
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4 changes: 3 additions & 1 deletion arch/risc-v/src/common/riscv_hostfs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -232,7 +232,9 @@ off_t host_lseek(int fd, off_t pos, off_t offset, int whence)

int host_ioctl(int fd, int request, unsigned long arg)
{
return -ENOSYS;
/* Unsupported ioctl requests use ENOTTY so VFS can apply fallbacks. */

return -ENOTTY;
}

void host_sync(int fd)
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4 changes: 3 additions & 1 deletion arch/sim/src/sim/win/sim_hostfs.c
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Expand Up @@ -224,7 +224,9 @@ nuttx_off_t host_lseek(int fd, nuttx_off_t pos, nuttx_off_t offset,

int host_ioctl(int fd, int request, unsigned long arg)
{
return -ENOSYS;
/* Unsupported ioctl requests use ENOTTY so VFS can apply fallbacks. */

return -ENOTTY;
}

/****************************************************************************
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4 changes: 3 additions & 1 deletion arch/xtensa/src/common/xtensa_hostfs.c
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Expand Up @@ -140,7 +140,9 @@ off_t host_lseek(int fd, off_t pos, off_t offset, int whence)

int host_ioctl(int fd, int request, unsigned long arg)
{
return -ENOSYS;
/* Unsupported ioctl requests use ENOTTY so VFS can apply fallbacks. */

return -ENOTTY;
}

void host_sync(int fd)
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