diff options
Diffstat (limited to 'mm/filemap.c')
-rw-r--r-- | mm/filemap.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 7771871fa353..c0018f2d50e0 100644 --- a/mm/filemap.c +++ b/mm/filemap.c | |||
@@ -9,7 +9,7 @@ | |||
9 | * most "normal" filesystems (but you don't /have/ to use this: | 9 | * most "normal" filesystems (but you don't /have/ to use this: |
10 | * the NFS filesystem used to do this differently, for example) | 10 | * the NFS filesystem used to do this differently, for example) |
11 | */ | 11 | */ |
12 | #include <linux/module.h> | 12 | #include <linux/export.h> |
13 | #include <linux/compiler.h> | 13 | #include <linux/compiler.h> |
14 | #include <linux/fs.h> | 14 | #include <linux/fs.h> |
15 | #include <linux/uaccess.h> | 15 | #include <linux/uaccess.h> |
@@ -2115,6 +2115,7 @@ void iov_iter_advance(struct iov_iter *i, size_t bytes) | |||
2115 | } else { | 2115 | } else { |
2116 | const struct iovec *iov = i->iov; | 2116 | const struct iovec *iov = i->iov; |
2117 | size_t base = i->iov_offset; | 2117 | size_t base = i->iov_offset; |
2118 | unsigned long nr_segs = i->nr_segs; | ||
2118 | 2119 | ||
2119 | /* | 2120 | /* |
2120 | * The !iov->iov_len check ensures we skip over unlikely | 2121 | * The !iov->iov_len check ensures we skip over unlikely |
@@ -2130,11 +2131,13 @@ void iov_iter_advance(struct iov_iter *i, size_t bytes) | |||
2130 | base += copy; | 2131 | base += copy; |
2131 | if (iov->iov_len == base) { | 2132 | if (iov->iov_len == base) { |
2132 | iov++; | 2133 | iov++; |
2134 | nr_segs--; | ||
2133 | base = 0; | 2135 | base = 0; |
2134 | } | 2136 | } |
2135 | } | 2137 | } |
2136 | i->iov = iov; | 2138 | i->iov = iov; |
2137 | i->iov_offset = base; | 2139 | i->iov_offset = base; |
2140 | i->nr_segs = nr_segs; | ||
2138 | } | 2141 | } |
2139 | } | 2142 | } |
2140 | EXPORT_SYMBOL(iov_iter_advance); | 2143 | EXPORT_SYMBOL(iov_iter_advance); |