diff options
author | Chih-Hung Hsieh <chh@google.com> | 2015-09-09 12:32:07 -0700 |
---|---|---|
committer | Mark Wielaard <mjw@redhat.com> | 2015-09-14 13:41:12 +0200 |
commit | 2d982861e5e23d38653df7d8dce1d2282cda8ce1 (patch) | |
tree | 9b8f87ff115c16043e4a0e41faf4d9ca87795efb /libebl | |
parent | 879850950bd56255cb5796c86b62bf3bdedd4fb9 (diff) | |
download | elfutils-2d982861e5e23d38653df7d8dce1d2282cda8ce1.tar.gz |
Remove redundant NULL tests.
GCC6 and Clang give warnings on redundant NULL tests of parameters
that are declared with __nonnull_attribute__.
Signed-off-by: Chih-Hung Hsieh <chh@google.com>
Signed-off-by: Mark Wielaard <mjw@redhat.com>
Diffstat (limited to 'libebl')
-rw-r--r-- | libebl/ChangeLog | 8 | ||||
-rw-r--r-- | libebl/ebldwarftoregno.c | 3 | ||||
-rw-r--r-- | libebl/eblinitreg.c | 3 | ||||
-rw-r--r-- | libebl/eblnormalizepc.c | 3 | ||||
-rw-r--r-- | libebl/eblunwind.c | 3 |
5 files changed, 15 insertions, 5 deletions
diff --git a/libebl/ChangeLog b/libebl/ChangeLog index 60ae566d..aab08571 100644 --- a/libebl/ChangeLog +++ b/libebl/ChangeLog @@ -1,3 +1,11 @@ +2015-09-09 Chih-Hung Hsieh <chh@google.com> + + * ebldwarftoregno.c (ebl_dwarf_to_regno): Remove redundant NULL tests + on parameters declared with __nonnull_attribute__. + * eblinitreg.c (ebl_frame_nregs): Likewise. + * eblnormalizepc.c (ebl_normalize_pc): Likewise. + * eblunwind.c (ebl_unwind): Likewise. + 2015-09-04 Chih-Hung Hsieh <chh@google.com> * eblopenbackend.c (ebl_openbackend_machine): Replace K&R function diff --git a/libebl/ebldwarftoregno.c b/libebl/ebldwarftoregno.c index 8fb85401..c6644969 100644 --- a/libebl/ebldwarftoregno.c +++ b/libebl/ebldwarftoregno.c @@ -35,7 +35,6 @@ bool ebl_dwarf_to_regno (Ebl *ebl, unsigned *regno) { - if (ebl == NULL) - return false; + /* ebl is declared NN */ return ebl->dwarf_to_regno == NULL ? true : ebl->dwarf_to_regno (ebl, regno); } diff --git a/libebl/eblinitreg.c b/libebl/eblinitreg.c index 5729b3cc..8a3fb18a 100644 --- a/libebl/eblinitreg.c +++ b/libebl/eblinitreg.c @@ -47,7 +47,8 @@ ebl_set_initial_registers_tid (Ebl *ebl, pid_t tid, size_t ebl_frame_nregs (Ebl *ebl) { - return ebl == NULL ? 0 : ebl->frame_nregs; + /* ebl is declared NN */ + return ebl->frame_nregs; } GElf_Addr diff --git a/libebl/eblnormalizepc.c b/libebl/eblnormalizepc.c index a5fea77e..1629353d 100644 --- a/libebl/eblnormalizepc.c +++ b/libebl/eblnormalizepc.c @@ -35,6 +35,7 @@ void ebl_normalize_pc (Ebl *ebl, Dwarf_Addr *pc) { - if (ebl != NULL && ebl->normalize_pc != NULL) + /* ebl is declared NN */ + if (ebl->normalize_pc != NULL) ebl->normalize_pc (ebl, pc); } diff --git a/libebl/eblunwind.c b/libebl/eblunwind.c index 1251c1b5..2970d03e 100644 --- a/libebl/eblunwind.c +++ b/libebl/eblunwind.c @@ -37,7 +37,8 @@ ebl_unwind (Ebl *ebl, Dwarf_Addr pc, ebl_tid_registers_t *setfunc, ebl_tid_registers_get_t *getfunc, ebl_pid_memory_read_t *readfunc, void *arg, bool *signal_framep) { - if (ebl == NULL || ebl->unwind == NULL) + /* ebl is declared NN */ + if (ebl->unwind == NULL) return false; return ebl->unwind (ebl, pc, setfunc, getfunc, readfunc, arg, signal_framep); } |