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Diffstat (limited to 'fs/fat/fat.c')
-rw-r--r--fs/fat/fat.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index c1e5741..49c78ed 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -352,7 +352,7 @@ get_contents(fsdata *mydata, dir_entry *dentptr, __u8 *buffer,
newclust = get_fatent(mydata, endclust);
if((newclust -1)!=endclust)
goto getit;
- if (newclust <= 0x0001 || newclust >= 0xfff0) {
+ if (CHECK_CLUST(newclust, mydata->fatsize)) {
FAT_DPRINT("curclust: 0x%x\n", newclust);
FAT_DPRINT("Invalid FAT entry\n");
return gotsize;
@@ -387,7 +387,7 @@ getit:
filesize -= actsize;
buffer += actsize;
curclust = get_fatent(mydata, endclust);
- if (curclust <= 0x0001 || curclust >= 0xfff0) {
+ if (CHECK_CLUST(curclust, mydata->fatsize)) {
FAT_DPRINT("curclust: 0x%x\n", curclust);
FAT_ERROR("Invalid FAT entry\n");
return gotsize;
@@ -459,7 +459,7 @@ get_vfatname(fsdata *mydata, int curclust, __u8 *cluster,
slotptr--;
curclust = get_fatent(mydata, curclust);
- if (curclust <= 0x0001 || curclust >= 0xfff0) {
+ if (CHECK_CLUST(curclust, mydata->fatsize)) {
FAT_DPRINT("curclust: 0x%x\n", curclust);
FAT_ERROR("Invalid FAT entry\n");
return -1;
@@ -652,7 +652,7 @@ static dir_entry *get_dentfromdir (fsdata * mydata, int startsect,
return retdent;
}
curclust = get_fatent (mydata, curclust);
- if (curclust <= 0x0001 || curclust >= 0xfff0) {
+ if (CHECK_CLUST(curclust, mydata->fatsize)) {
FAT_DPRINT ("curclust: 0x%x\n", curclust);
FAT_ERROR ("Invalid FAT entry\n");
return NULL;