Message ID | 20180115051800.19398-2-cyril.bur@au1.ibm.com |
---|---|
State | Accepted |
Headers | show |
Series | [1/2] core: Avoid possible uninitialized pointer read (CID 209502) | expand |
On 01/15/2018 10:48 AM, Cyril Bur wrote: > The next_extry label doesn't do anything other than perform an addition > which requires a dereference of the NULL entry variable, just continue > the loop instead. > > Fixes: 77190aa7 (hdata/vpd: Rework vpd node creation logic) > Signed-off-by: Cyril Bur <cyril.bur@au1.ibm.com> Looks good. Reviewed-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com> -Vasant > --- > hdata/vpd.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/hdata/vpd.c b/hdata/vpd.c > index d114e6b7..3eb7dcf2 100644 > --- a/hdata/vpd.c > +++ b/hdata/vpd.c > @@ -400,7 +400,7 @@ void dt_init_vpd_node(void) > /* Get SLCA entry */ > entry = slca_get_entry(index); > if (!entry) > - goto next_entry; > + continue; > > /* > * A child entry is valid if all of the following criteria is met >
On Mon, Jan 15, 2018 at 4:18 PM, Cyril Bur <cyril.bur@au1.ibm.com> wrote: > The next_extry label doesn't do anything other than perform an addition > which requires a dereference of the NULL entry variable, just continue > the loop instead. > > Fixes: 77190aa7 (hdata/vpd: Rework vpd node creation logic) > Signed-off-by: Cyril Bur <cyril.bur@au1.ibm.com> > --- > hdata/vpd.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/hdata/vpd.c b/hdata/vpd.c > index d114e6b7..3eb7dcf2 100644 > --- a/hdata/vpd.c > +++ b/hdata/vpd.c > @@ -400,7 +400,7 @@ void dt_init_vpd_node(void) > /* Get SLCA entry */ > entry = slca_get_entry(index); > if (!entry) > - goto next_entry; > + continue; <bikeshed> WELL GIVEN THIS CAN ONLY HAPPEN IF WE GET AN OUT OF RANGE SLCA INDEX IT DOESN'T REALLY MAKE ANY SENSE TO CONTINUE HERE. THIS SHOULD PROBABLY BE A BREAK INSTEAD. </bikeshed> > > /* > * A child entry is valid if all of the following criteria is met > -- > 2.15.1 >
diff --git a/hdata/vpd.c b/hdata/vpd.c index d114e6b7..3eb7dcf2 100644 --- a/hdata/vpd.c +++ b/hdata/vpd.c @@ -400,7 +400,7 @@ void dt_init_vpd_node(void) /* Get SLCA entry */ entry = slca_get_entry(index); if (!entry) - goto next_entry; + continue; /* * A child entry is valid if all of the following criteria is met
The next_extry label doesn't do anything other than perform an addition which requires a dereference of the NULL entry variable, just continue the loop instead. Fixes: 77190aa7 (hdata/vpd: Rework vpd node creation logic) Signed-off-by: Cyril Bur <cyril.bur@au1.ibm.com> --- hdata/vpd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)