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authorYuriy Kolerov <yuriy.kolerov@synopsys.com>2015-09-23 15:43:37 +0300
committerWaldemar Brodkorb <wbx@openadk.org>2015-10-05 22:07:08 +0200
commit2eb8070e678937e7e7835d167cffb11628b8862e (patch)
tree295e81dff6fc1bd713b9e7a90fb9992043b7c1f6 /ldso/COPYRIGHT
parent39e50d004f9b2cfd0988f670a877d83ee17d2418 (diff)
libc: fix setting return value and errno in fallocate()
fallocate system call must return 0 on success. On error, -1 is returned and errno is set to indicate the error. However there is an error in fallocate which is fixed by this patch - it does not set errno and returns invalid value on error (it returns error code instead of -1). This error is detected in LTP's test kernel/syscalls/fallocate02: ----------->8---------- fallocate(..., 1, 0, 1024) failed, expected errno:9: TEST_ERRNO=0 fallocate(..., 1, -1024, 1024) failed, expected errno:22: TEST_ERRNO=0 fallocate(..., 1, 1024, -1024) failed, expected errno:22: TEST_ERRNO=0 fallocate(..., 1, 12288, 0) failed, expected errno:22: TEST_ERRNO=0 fallocate(..., 1, 12288, -1024) failed, expected errno:22: TEST_ERRNO=0 fallocate(..., 1, -24576, 1024) failed, expected errno:22: TEST_ERRNO=0 ----------->8---------- Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
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