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| author | Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> | 2014-06-01 01:00:13 +0200 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2014-06-07 21:39:11 -0400 |
| commit | 50b9ac1813f7f2f13c937a1484c2fe09c4d590ce (patch) | |
| tree | 3b7c56821f9de10d8741fc2d3694a31ad5dca654 /arch/tile | |
| parent | 60f917b8de8d4a88c06a3f4727d0658082756de6 (diff) | |
| download | lwn-50b9ac1813f7f2f13c937a1484c2fe09c4d590ce.tar.gz lwn-50b9ac1813f7f2f13c937a1484c2fe09c4d590ce.zip | |
arch: tile: kernel: unaligned.c: Cleaning up uninitialized variables
There is a risk that the variable will be used without being initialized.
This was largely found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> [minor cleanups]
Diffstat (limited to 'arch/tile')
| -rw-r--r-- | arch/tile/kernel/unaligned.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/arch/tile/kernel/unaligned.c b/arch/tile/kernel/unaligned.c index b030b4e78845..c02ea2a45f67 100644 --- a/arch/tile/kernel/unaligned.c +++ b/arch/tile/kernel/unaligned.c @@ -182,18 +182,7 @@ static void find_regs(tilegx_bundle_bits bundle, uint64_t *rd, uint64_t *ra, int i; uint64_t reg; uint64_t reg_map = 0, alias_reg_map = 0, map; - bool alias; - - *ra = -1; - *rb = -1; - - if (rd) - *rd = -1; - - *clob1 = -1; - *clob2 = -1; - *clob3 = -1; - alias = false; + bool alias = false; /* * Parse fault bundle, find potential used registers and mark @@ -569,7 +558,7 @@ void jit_bundle_gen(struct pt_regs *regs, tilegx_bundle_bits bundle, tilegx_bundle_bits bundle_2 = 0; /* If bundle_2_enable = false, bundle_2 is fnop/nop operation. */ bool bundle_2_enable = true; - uint64_t ra, rb, rd = -1, clob1, clob2, clob3; + uint64_t ra = -1, rb = -1, rd = -1, clob1 = -1, clob2 = -1, clob3 = -1; /* * Indicate if the unalign access * instruction's registers hit with |