diff options
| author | Colin Ian King <colin.i.king@gmail.com> | 2022-05-16 19:42:15 +0100 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-05-17 12:52:37 +0200 |
| commit | 0621210ab7693e6d50585ca689d95d57df617455 (patch) | |
| tree | 20d00f23a156b166fa429272749361f073577f31 /arch | |
| parent | ab65f49253ff706723ecbf87af74e9383b5e4582 (diff) | |
x86/sev: Remove duplicated assignment to variable info
Variable info is being assigned the same value twice, remove the
redundant assignment. Also assign variable v in the declaration.
Cleans up clang scan warning:
warning: Value stored to 'info' during its initialization is never read [deadcode.DeadStores]
No code changed:
# arch/x86/kernel/sev.o:
text data bss dec hex filename
19878 4487 4112 28477 6f3d sev.o.before
19878 4487 4112 28477 6f3d sev.o.after
md5:
bfbaa515af818615fd01fea91e7eba1b sev.o.before.asm
bfbaa515af818615fd01fea91e7eba1b sev.o.after.asm
[ bp: Running the before/after check on sev.c because sev-shared.c
gets included into it. ]
Fixes: 597cfe48212a ("x86/boot/compressed/64: Setup a GHCB-based VC Exception handler")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220516184215.51841-1-colin.i.king@gmail.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/sev-shared.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/kernel/sev-shared.c b/arch/x86/kernel/sev-shared.c index 2b4270d5559e..b478edf43bec 100644 --- a/arch/x86/kernel/sev-shared.c +++ b/arch/x86/kernel/sev-shared.c @@ -201,10 +201,7 @@ static enum es_result verify_exception_info(struct ghcb *ghcb, struct es_em_ctxt if (ret == 1) { u64 info = ghcb->save.sw_exit_info_2; - unsigned long v; - - info = ghcb->save.sw_exit_info_2; - v = info & SVM_EVTINJ_VEC_MASK; + unsigned long v = info & SVM_EVTINJ_VEC_MASK; /* Check if exception information from hypervisor is sane. */ if ((info & SVM_EVTINJ_VALID) && |