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由 Dave Kleikamp 提交于
When checking a system call return code for an error, linux_sparc_syscall was sign-extending the lower 32-bit value and comparing it to -ERESTART_RESTARTBLOCK. lseek can return valid return codes whose lower 32-bits alone would indicate a failure (such as 4G-1). Use the whole 64-bit value to check for errors. Only the 32-bit path should sign extend the lower 32-bit value. Signed-off-by: NDave Kleikamp <dave.kleikamp@oracle.com> Acked-by: NBob Picco <bob.picco@oracle.com> Acked-by: NAllen Pais <allen.pais@oracle.com> Cc: David S. Miller <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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