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Added some NULL pointer checks

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2328 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Tyler Dauwalder 2002-12-31 07:28:44 +00:00
parent 0983fab3f8
commit 3ed1045364
1 changed files with 13 additions and 7 deletions
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20
src/add-ons/kernel/disk_scanner/fs/bfs.c
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@ -10,6 +10,7 @@
#include <disk_scanner/fs.h>
#define BFS_FS_MODULE_NAME "disk_scanner/fs/bfs/v1"
const char *kModuleDebugName = "fs/bfs";
//#define TRACE(x)
#define TRACE(x) dprintf x
@ -127,7 +128,7 @@ static
status_t
std_ops(int32 op, ...)
{
TRACE(("fs/bfs: std_ops(0x%lx)\n", op));
TRACE(("%s: std_ops(0x%lx)\n", kModuleDebugName, op));
switch(op) {
case B_MODULE_INIT:
case B_MODULE_UNINIT:
@ -162,6 +163,8 @@ read_block(int fd, off_t offset, size_t size, uchar **block)
/*! \brief Returns true if the given partition is a valid BFS partition.
See fs_identify_hook() for more information.
\todo Fill in partitionInfo->mounted_at with something useful.
*/
static
bool
@ -169,8 +172,8 @@ bfs_fs_identify(int deviceFD, struct extended_partition_info *partitionInfo,
float *priority)
{
bool result = false;
TRACE(("fs/bfs: identify(%d, %p, offset: %lld)\n", deviceFD, partitionInfo,
partitionInfo ? partitionInfo->info.offset : -1));
TRACE(("%s: identify(%d, %p, offset: %lld)\n", kModuleDebugName, deviceFD,
partitionInfo, partitionInfo ? partitionInfo->info.offset : -1));
if (partitionInfo) {
uchar *buffer = NULL;
@ -195,12 +198,15 @@ bfs_fs_identify(int deviceFD, struct extended_partition_info *partitionInfo,
{
result = false;
} else {
strcpy(partitionInfo->file_system_short_name, "bfs");
strcpy(partitionInfo->file_system_long_name, "Be File System");
strcpy(partitionInfo->volume_name, superBlock->name);
result = true;
if (partitionInfo->file_system_short_name)
strcpy(partitionInfo->file_system_short_name, "bfs");
if (partitionInfo->file_system_long_name)
strcpy(partitionInfo->file_system_long_name, "Be File System");
if (partitionInfo->volume_name)
strcpy(partitionInfo->volume_name, superBlock->name);
if (priority)
*priority = 0;
result = true;
}
free(buffer);
}