Handle disk full errors.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- fs/fat/fat_write.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/fs/fat/fat_write.c b/fs/fat/fat_write.c index a137e14f41..57522f96a8 100644 --- a/fs/fat/fat_write.c +++ b/fs/fat/fat_write.c @@ -827,6 +827,8 @@ static int new_dir_table(fat_itr *itr) unsigned int bytesperclust = mydata->clust_size * mydata->sect_size;
dir_newclust = determine_fatent(mydata, 0); + if (dir_newclust < 0) + return dir_newclust;
/* * Flush before updating FAT to ensure valid directory structure @@ -927,8 +929,8 @@ set_contents(fsdata *mydata, dir_entry *dentptr, loff_t pos, __u8 *buffer, loff_t maxsize, loff_t *gotsize) { unsigned int bytesperclust = mydata->clust_size * mydata->sect_size; - __u32 curclust = START(dentptr); - __u32 endclust = 0, newclust = 0; + int curclust = START(dentptr); + int endclust = 0, newclust = 0; u64 cur_pos, filesize; loff_t offset, actsize, wsize;
@@ -1069,12 +1071,16 @@ set_clusters: /* Assure that curclust is valid */ if (!curclust) { curclust = determine_fatent(mydata, 0); + if (curclust < 0) + return -1; set_start_cluster(mydata, dentptr, curclust); } else { newclust = get_fatent(mydata, curclust);
if (IS_LAST_CLUST(newclust, mydata->fatsize)) { newclust = determine_fatent(mydata, curclust); + if (newclust < 0) + return -1; set_fatent_value(mydata, curclust, newclust); curclust = newclust; } else { @@ -1095,6 +1101,8 @@ set_clusters: /* search for consecutive clusters */ while (actsize < filesize) { newclust = determine_fatent(mydata, endclust); + if (newclust < 0) + return -1;
if ((newclust - 1) != endclust) /* write to <curclust..endclust> */ -- 2.30.2