From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
* clean up code, gcc warnings
(try compilation with "-Wall -Wp,-D_FORTIFY_SOURCE=2")
Builds cleanly on x86_32 and x86_64.
fsck.cramfs.c:235: warning: ignoring return value of 'read', declared with attribute warn_unused_result
Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
---
disk-utils/fsck.cramfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- util-linux-ng-2.13.orig/disk-utils/fsck.cramfs.c
+++ util-linux-ng-2.13/disk-utils/fsck.cramfs.c
@@ -232,7 +232,8 @@ static void test_crc(int start)
buf = mmap(NULL, super.size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if (buf != MAP_FAILED) {
lseek(fd, 0, SEEK_SET);
- read(fd, buf, super.size);
+ if (read(fd, buf, super.size) < 0)
+ die(FSCK_ERROR, 1, "read failed: %s", filename);
}
}
if (buf != MAP_FAILED) {
-
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