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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2000-11-28 21:52:53 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2000-11-28 21:52:53 +0000 |
commit | ca4c387054a36ac3429f102f2df4dd36292f3a48 (patch) | |
tree | 31c2590e79719a437cd10d5b9fcc3c05a7d460f7 | |
parent | 2000-11-28 Sergei Organov <osv@javad.ru> (diff) | |
download | rtems-ca4c387054a36ac3429f102f2df4dd36292f3a48.tar.bz2 |
2000-11-28 Joel Sherrill <joel@OARcorp.com>
* src/imfs/memfile.c: Bug report from Sturniolo Jose
<jsturnio@nec.com.ar> where NULL pointer was dereferenced.
-rw-r--r-- | c/src/lib/libc/memfile.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/c/src/lib/libc/memfile.c b/c/src/lib/libc/memfile.c index 9974a3d2d5..fe782f03c8 100644 --- a/c/src/lib/libc/memfile.c +++ b/c/src/lib/libc/memfile.c @@ -499,6 +499,8 @@ int IMFS_memfile_remove( if ( info->triply_indirect ) { for ( i=0 ; i<IMFS_MEMFILE_BLOCK_SLOTS ; i++ ) { p = (block_p *) info->triply_indirect[i]; + if (!p) /* ensure we have a valid pointer */ + break; for ( j=0 ; j<IMFS_MEMFILE_BLOCK_SLOTS ; j++ ) { if ( p[j] ) { memfile_free_blocks_in_table( (block_p **)&p[j], to_free); |