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getdents: hold the IOP while performing the operation

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As all the other functions about file descriptor, getdents should hold the IOP of the file descriptor it is working on.

Closes #5074
This commit is contained in:
Loris Nardo
2024-07-26 20:01:40 +00:00
committed by Joel Sherrill
parent 5c5ccbcc57
commit b354087338
1 changed files with 8 additions and 3 deletions
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cpukit/libcsupport/src/getdents.c
+8 -3
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@@ -67,22 +67,27 @@ int getdents(
{
rtems_libio_t *iop;
mode_t type;
int result;
/*
* Get the file control block structure associated with the file descriptor
*/
iop = rtems_libio_iop( dd_fd );
LIBIO_GET_IOP_WITH_ACCESS( dd_fd, iop, LIBIO_FLAGS_READ, EBADF );
/*
* Make sure we are working on a directory
*/
type = rtems_filesystem_location_type( &iop->pathinfo );
if ( !S_ISDIR( type ) )
if ( !S_ISDIR( type ) ) {
rtems_libio_iop_drop( iop );
rtems_set_errno_and_return_minus_one( ENOTDIR );
}
/*
* Return the number of bytes that were actually transfered as a result
* of the read attempt.
*/
return (*iop->pathinfo.handlers->read_h)( iop, dd_buf, dd_len );
result = (*iop->pathinfo.handlers->read_h)( iop, dd_buf, dd_len );
rtems_libio_iop_drop( iop );
return result;
}