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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2020-03-05 21:48:10 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2020-03-09 17:15:20 +0100 |
| commit | 83994913b6603c3a0dbb5ece4b3b5b47457ed99e (patch) | |
| tree | a2684dcdfbcc0172140a4c9828c734497ff4695e /cpukit/include | |
| parent | imfs: Use _IMFS_get_time() (diff) | |
| download | rtems-83994913b6603c3a0dbb5ece4b3b5b47457ed99e.tar.bz2 | |
imfs: Constify imfs_memfile_bytes_per_block
The CONFIGURE_IMFS_MEMFILE_BYTES_PER_BLOCK value is validated by
<rtems/confdefs/libio.h>. Changing this value during runtime could lead
to memory corruption.
Update #3894.
Diffstat (limited to 'cpukit/include')
| -rw-r--r-- | cpukit/include/rtems/confdefs/libio.h | 2 | ||||
| -rw-r--r-- | cpukit/include/rtems/imfs.h | 3 |
2 files changed, 2 insertions, 3 deletions
diff --git a/cpukit/include/rtems/confdefs/libio.h b/cpukit/include/rtems/confdefs/libio.h index aced98b3b9..3c45771952 100644 --- a/cpukit/include/rtems/confdefs/libio.h +++ b/cpukit/include/rtems/confdefs/libio.h @@ -196,7 +196,7 @@ static const devFS_data _Filesystem_Root_data = { #error "CONFIGURE_IMFS_MEMFILE_BYTES_PER_BLOCK must be a power of two between 16 and 512" #endif -int imfs_rq_memfile_bytes_per_block = CONFIGURE_IMFS_MEMFILE_BYTES_PER_BLOCK; +const int imfs_memfile_bytes_per_block = CONFIGURE_IMFS_MEMFILE_BYTES_PER_BLOCK; static IMFS_fs_info_t _IMFS_fs_info; diff --git a/cpukit/include/rtems/imfs.h b/cpukit/include/rtems/imfs.h index 565d103226..09e8bd4a9d 100644 --- a/cpukit/include/rtems/imfs.h +++ b/cpukit/include/rtems/imfs.h @@ -66,8 +66,7 @@ typedef struct IMFS_jnode_tt IMFS_jnode_t; * @endcode */ #define IMFS_MEMFILE_DEFAULT_BYTES_PER_BLOCK 128 - extern int imfs_rq_memfile_bytes_per_block; - extern int imfs_memfile_bytes_per_block; + extern const int imfs_memfile_bytes_per_block; #define IMFS_MEMFILE_BYTES_PER_BLOCK imfs_memfile_bytes_per_block #define IMFS_MEMFILE_BLOCK_SLOTS \ |