fsck.cramfs: check returns [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/disk-utils/fsck.cramfs.c b/disk-utils/fsck.cramfs.c
index 22e3f46bc4e579feb77e24a7178e770e2c622a67..5c4b8c47850cad0a897ea521672116979f720eed 100644 (file)
--- a/disk-utils/fsck.cramfs.c
+++ b/disk-utils/fsck.cramfs.c
@@ -170,7 +170,8 @@ static void test_super(int *start, size_t * length)
        if (get_superblock_endianness(super.magic) != -1)
                *start = 0;
        else if (*length >= (PAD_SIZE + sizeof(super))) {
-               lseek(fd, PAD_SIZE, SEEK_SET);
+               if (lseek(fd, PAD_SIZE, SEEK_SET) == (off_t) -1)
+                       err(FSCK_EX_ERROR, _("seek failed: %s"), filename);
                if (read(fd, &super, sizeof(super)) != sizeof(super))
                        err(FSCK_EX_ERROR, _("read failed: %s"), filename);
                if (get_superblock_endianness(super.magic) != -1)
@@ -226,7 +227,8 @@ static void test_crc(int start)
                    mmap(NULL, super.size, PROT_READ | PROT_WRITE,
                         MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
                if (buf != MAP_FAILED) {
-                       lseek(fd, 0, SEEK_SET);
+                       if (lseek(fd, 0, SEEK_SET) == (off_t) -1)
+                               err(FSCK_EX_ERROR, _("seek failed: %s"), filename);
                        if (read(fd, buf, super.size) < 0)
                                err(FSCK_EX_ERROR, _("read failed: %s"), filename);
                }
@@ -241,7 +243,8 @@ static void test_crc(int start)
                size_t length = 0;
 
                buf = xmalloc(4096);
-               lseek(fd, start, SEEK_SET);
+               if (lseek(fd, start, SEEK_SET) == (off_t) -1)
+                       err(FSCK_EX_ERROR, _("seek failed: %s"), filename);
                for (;;) {
                        retval = read(fd, buf, 4096);
                        if (retval < 0)
@@ -294,7 +297,8 @@ static void *romfs_read(unsigned long offset)
                ssize_t x;
 
                read_buffer_block = block;
-               lseek(fd, block << ROMBUFFER_BITS, SEEK_SET);
+               if (lseek(fd, block << ROMBUFFER_BITS, SEEK_SET) == (off_t) -1)
+                       warn(_("seek failed"));
 
                x = read(fd, read_buffer, ROMBUFFERSIZE * 2);
                if (x < 0)