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buffer: Add NULL check for 'buffer' argument

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Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
This commit is contained in:
Andreas Schneider
2020-06-03 10:11:21 +02:00
parent 10b3ebbe61
commit 245ad744b5
1 changed files with 4 additions and 0 deletions
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4
src/buffer.c
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@@ -299,6 +299,10 @@ int ssh_buffer_reinit(struct ssh_buffer_struct *buffer)
*/ */
int ssh_buffer_add_data(struct ssh_buffer_struct *buffer, const void *data, uint32_t len) int ssh_buffer_add_data(struct ssh_buffer_struct *buffer, const void *data, uint32_t len)
{ {
if (buffer == NULL) {
return -1;
}
buffer_verify(buffer); buffer_verify(buffer);
if (data == NULL) { if (data == NULL) {