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-rw-r--r--fs/jffs2/writev.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/jffs2/writev.c b/fs/jffs2/writev.c
index a1bda9dab3f8..eec419719e1d 100644
--- a/fs/jffs2/writev.c
+++ b/fs/jffs2/writev.c
@@ -16,9 +16,18 @@
int jffs2_flash_direct_writev(struct jffs2_sb_info *c, const struct kvec *vecs,
unsigned long count, loff_t to, size_t *retlen)
{
+ int ret;
+
+ ret = mtd_writev(c->mtd, vecs, count, to, retlen);
+
if (!jffs2_is_writebuffered(c)) {
if (jffs2_sum_active()) {
int res;
+
+ if (ret ||
+ *retlen != iov_length((struct iovec *) vecs, count))
+ return ret;
+
res = jffs2_sum_add_kvec(c, vecs, count, (uint32_t) to);
if (res) {
return res;
@@ -26,19 +35,23 @@ int jffs2_flash_direct_writev(struct jffs2_sb_info *c, const struct kvec *vecs,
}
}
- return mtd_writev(c->mtd, vecs, count, to, retlen);
+ return ret;
}
int jffs2_flash_direct_write(struct jffs2_sb_info *c, loff_t ofs, size_t len,
size_t *retlen, const u_char *buf)
{
int ret;
+
ret = mtd_write(c->mtd, ofs, len, retlen, buf);
if (jffs2_sum_active()) {
struct kvec vecs[1];
int res;
+ if (ret || *retlen != len)
+ return ret;
+
vecs[0].iov_base = (unsigned char *) buf;
vecs[0].iov_len = len;
@@ -47,5 +60,6 @@ int jffs2_flash_direct_write(struct jffs2_sb_info *c, loff_t ofs, size_t len,
return res;
}
}
+
return ret;
}