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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2024-08-10 14:20:57 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2024-08-17 13:55:50 +0800 |
| commit | 8e3a67f2de87ee94ac11ea69beb4edc2993b17a0 (patch) | |
| tree | f9d05f6e63667776697cf2642098292f7c9d91cf /lib/crypto/mpi/mpiutil.c | |
| parent | fca5cb4dd2b4a9423cb6d112cc71c33899955a1f (diff) | |
| download | lwn-8e3a67f2de87ee94ac11ea69beb4edc2993b17a0.tar.gz lwn-8e3a67f2de87ee94ac11ea69beb4edc2993b17a0.zip | |
crypto: lib/mpi - Add error checks to extension
The remaining functions added by commit
a8ea8bdd9df92a0e5db5b43900abb7a288b8a53e did not check for memory
allocation errors. Add the checks and change the API to allow errors
to be returned.
Fixes: a8ea8bdd9df9 ("lib/mpi: Extend the MPI library")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'lib/crypto/mpi/mpiutil.c')
| -rw-r--r-- | lib/crypto/mpi/mpiutil.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/crypto/mpi/mpiutil.c b/lib/crypto/mpi/mpiutil.c index d57fd8afef64..979ece5a81d2 100644 --- a/lib/crypto/mpi/mpiutil.c +++ b/lib/crypto/mpi/mpiutil.c @@ -133,6 +133,8 @@ MPI mpi_copy(MPI a) if (a) { b = mpi_alloc(a->nlimbs); + if (!b) + return NULL; b->nlimbs = a->nlimbs; b->sign = a->sign; b->flags = a->flags; |