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| author | Jarkko Sakkinen <jarkko@kernel.org> | 2020-11-18 23:39:32 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-11-19 10:51:24 +0100 |
| commit | 14132a5b807bb5caf778fe7ae1597e630971e949 (patch) | |
| tree | 3018b699e0601055b6187b1b066729261c1a08b5 /arch/x86/kernel/cpu/sgx/ioctl.c | |
| parent | 0eaa8d153a1d573e53b8283c90db44057d1376f6 (diff) | |
| download | linux-stable-14132a5b807bb5caf778fe7ae1597e630971e949.tar.gz linux-stable-14132a5b807bb5caf778fe7ae1597e630971e949.tar.bz2 linux-stable-14132a5b807bb5caf778fe7ae1597e630971e949.zip | |
x86/sgx: Return -ERESTARTSYS in sgx_ioc_enclave_add_pages()
Return -ERESTARTSYS instead of -EINTR in sgx_ioc_enclave_add_pages()
when interrupted before any pages have been processed. At this point
ioctl can be obviously safely restarted.
Reported-by: Haitao Huang <haitao.huang@intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20201118213932.63341-1-jarkko@kernel.org
Diffstat (limited to 'arch/x86/kernel/cpu/sgx/ioctl.c')
| -rw-r--r-- | arch/x86/kernel/cpu/sgx/ioctl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/sgx/ioctl.c b/arch/x86/kernel/cpu/sgx/ioctl.c index 6d37117ac8a0..30aefc93a31d 100644 --- a/arch/x86/kernel/cpu/sgx/ioctl.c +++ b/arch/x86/kernel/cpu/sgx/ioctl.c @@ -444,7 +444,7 @@ static long sgx_ioc_enclave_add_pages(struct sgx_encl *encl, void __user *arg) for (c = 0 ; c < add_arg.length; c += PAGE_SIZE) { if (signal_pending(current)) { if (!c) - ret = -EINTR; + ret = -ERESTARTSYS; break; } |