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Vladimir Serbinenko
e23704ad48
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
36 lines
1.6 KiB
Diff
36 lines
1.6 KiB
Diff
sexp: Add missing free on error path
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Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
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diff --git a/grub-core/lib/libgcrypt/src/sexp.c b/grub-core/lib/libgcrypt/src/sexp.c
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index d15f1a790..250559f75 100644
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--- a/grub-core/lib/libgcrypt-grub/src/sexp.c
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+++ b/grub-core/lib/libgcrypt-grub/src/sexp.c
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@@ -1157,6 +1157,17 @@ do_vsexp_sscan (gcry_sexp_t *retsexp, size_t *erroff,
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} \
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} while (0)
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+#define MAKE_SPACE_EXTRA_CLEANUP(n, cleanup) do { \
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+ gpg_err_code_t _ms_err = make_space (&c, (n)); \
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+ if (_ms_err) \
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+ { \
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+ err = _ms_err; \
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+ *erroff = p - buffer; \
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+ cleanup; \
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+ goto leave; \
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+ } \
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+ } while (0)
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+
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/* The STORE_LEN macro is used to store the length N at buffer P. */
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#define STORE_LEN(p,n) do { \
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DATALEN ashort = (n); \
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@@ -1368,7 +1379,7 @@ do_vsexp_sscan (gcry_sexp_t *retsexp, size_t *erroff,
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goto leave;
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}
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- MAKE_SPACE (datalen);
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+ MAKE_SPACE_EXTRA_CLEANUP (datalen, xfree (b64buf));
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*c.pos++ = ST_DATA;
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STORE_LEN (c.pos, datalen);
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for (i = 0; i < datalen; i++)
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